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:''This article is about sex acts and practices (i.e., physical sex). Broader aspects of sexual behaviour such as [[social]] and [[psychology|psychological]] sexual issues are covered in related articles such as [[human sexuality]], [[heterosexuality]], and [[homosexuality]].''
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'''Sexual activity''' in [[human]]s is an [[Instinct|instinctive]] form of [[physical intimacy]]. It may be performed for the purposes of [[biological reproduction]], spiritual [[transcendence (philosophy)|transcendence]], expressing [[affection]], and/or having fun and enjoying oneself (known in this context as "sexual gratification"). [[libido|The desire to have sex]] is one of the [[motivation|basic drives]] of human behavior. Every sexually-reproductive animal species, and every human culture, has a range of conduct used in [[courtship]], [[intimacy]], and sexual activity.
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'''Human sexual behavior''' is therefore the behaviors that [[human]] beings use when seeking sexual or relational partners, gaining approval of possible partners, forming [[intimate relationship|relationship]]s, showing affection, and [[mating]].

It covers at least two major areas: [[anthropology]] (common or accepted practices across different cultures), and [[information]]al (background which is useful to individuals who may be engaged in, or considering, sexual activity)

==Aspects of human sexual behavior==
===Scope===
Sexual behavior is a very broad expression. It covers both common and less common behaviors, and includes a wide range of sexual behaviors from [[Marriage|marital relationship]]s through to [[sexual abuse]]. Although in many cases sexual behavior is directed towards or within a [[relationship]], this is not necessarily the case and much sexual behavior is not.

===Sexuality and sensuality===
There is no clear borderline between the sexual and nonsexual enjoyment of touching, or grabbing someone else's body. For example, [[holding hands]] may or may not have a sexual connotation, depending on [[culture]], situation and other factors. Although the most common form of [[heterosexuality|heterosexual]] [[sexual intercourse]] is universally regarded as sexual contact, there is a wide range of other sexual behaviors that may or may not be socially, legally, or ethically considered as ''sexual relations''. The distinction between the sexual and the nonsexual becomes relevant in judging appropriate behavior, in either a social setting or in the eyes of the law.

Some criteria that may be applied are:
*the body parts involved (see also [[intimate parts]])
*physical signs of [[sexual arousal]]
*subjective [[feeling]]

Enjoying touching someone else's body implies enjoying one's own body also; the latter may also happen without another person; enjoying one's own body also may or may not be of a sexual nature. If it is, it is called [[autoeroticism]].

The whole of one's sexual activities (including [[wet dream|erotic dreams]] and waking sexual [[fantasy|fantasies]] and [[daydream]]s) is called one's '''sex life'''.

=== Sexual relationships ===
Opinions and [[norm]]s vary about whether an emotional bond of a certain intensity and durability should be a prerequisite for sex (see also below).

Like other [[primate]]s, ''[[Homo sapiens]]'' use sexuality for reproduction and for maintenance of social bonds. It is widely believed that children are capable of feeling sexual pleasure, even if they are not yet able to engage in [[sexual intercourse]] with each other, and/or are not yet biologically able to reproduce. Yet, [[child sexuality]] has historically been severely limited in western societies; in the late 19th century, the [[hysteria]] surrounding so-called "self-abuse" ([[masturbation]]) among children reached its peak and fueled the adoption of [[circumcision]] (including [[female circumcision]]) in some cultures, including some African tribes. Female circumcision has also been observed in England performed by some of the immigrants from other cultures.

Many sexual activities can be engaged in by same sex or opposite sex partners. However some, most notably vaginal [[sexual intercourse]], can only be engaged in by partners of opposite sexes. And others, such as [[tribadism]] and [[frot|frication]] can only be engaged in by partners of the same sex.

=== Cultural aspects ===
As with other behaviors, human high intelligence and complex societies have produced among the most complicated sexual behaviors of any animal. Most people experiment with a range of sexual activities during their lives, though they tend to engage in only a few of these regularly. Most people enjoy some sexual activities. However, most societies have defined some sexual activities as inappropriate (wrong person, wrong activity, wrong place, wrong time, etc.) Some people enjoy many different sexual activities, while others avoid sexual activities altogether for religious or other reasons (see [[chastity]], [[sexual abstinence]], [[asexuality]]). Historically, some societies and [[religions]] have viewed sex as appropriate only within [[marriage]]. There is still a widespread belief that sex acts are devalued when engaged in outside of a long-term, [[monogamous]] [[romantic relationship]], but extra-marital sexual activity and [[casual sex]] became increasingly accepted in modern society during the [[sexual revolution]].

=== Social norms and rules ===
{{main|Social norm}}
Human sexual behavior, like many other kinds of activity engaged in by human beings, is generally governed by social rules that are culturally specific and vary widely (see [[sexual morality]], [[sexual norm]]s).

Some activities are actually illegal in some jurisdictions even between (or among) consenting and competent adults (see [[sex crime]], [[sodomy law]], [[incest]]). However, in general, [[sexual fantasy|fantasizing]] about any sexual interest is legal, and has value; fantasizing about an illegal act does not necessarily imply a desire for the act in reality. Scientific studies suggest sexual fantasy, even of unusual interests, is usually a healthy activity.

Some people engage in various sexual activities as a business transaction. When this involves having sex with, or performing certain actual sexual acts for another person, it is called [[prostitution]]. Other aspects of the [[adult industry]] include (for example) [[telephone sex]] operators, [[strip club]]s, [[erotic dancing|erotic dancers]], and the like.

Nearly all societies consider it a serious crime to force someone to engage in sexual behavior or to engage in sexual behavior with someone who does not consent. This is called sexual assault, and if sexual penetration occurs it is called [[rape]], the most serious kind of sexual assault. The details of this distinction may vary among different legal jurisdictions. Also, precisely what constitutes effective consent to have sex varies from culture to culture and is frequently debated. In particular laws regulating what constitutes consent, including the minimum age at which a person can consent to have sex, are frequently the subject of political and moral debate (see [[age of consent]]).

===Types of partnership===
Sexual partners can cover many types, including:
* [[One Night Stand]]
* [[Casual relationship]] (friends with benefits)
* [[Boyfriend]] or [[girlfriend]]
* [[Marriage]] or other committed long term relationship
* Illicit [[affair]]s
* [[Polyamory|Secondary or side relationships]]
* [[Prostitute]]s
Any of these may be explicit, or hidden, deceptive or honest, and may include [[fidelity]] or not.

It is also possible to engage in sexual activity without a partner, or (in some cases) without a knowing partner:
* [[Masturbation]]
* [[Sexual fantasy|Sexual fantasizing]]
* Several [[paraphilia]]s ([[transvestic fetishism]], [[voyeurism]], [[frotteurism]], and so on)

== Sexual relationships ==
A key sexual behavior throughout the entire animal kingdom is the seeking of a sex partner. Humans are no exception to this rule. A sexual encounter can be the result of the sending signals indicating readiness for sex, and being receptive to reciprocal signals. Or, it might be the result of years of planning, through the use of cultural rituals such as courtship and marriage.

Common methods:
* Arranged partnership - other adults (often parents) choose partners. In some cultures these are suggestions, in others, they carry the force of commands.
* Personal choice - a person chooses for themselves their own partner, according to their own wishes
* Status based roles - a high status person in some cultures may choose partners backed by the force of social custom, and low status persons have little or no choice or expectation of avoiding the same. (For example, some [[Sexual harassment|employer-employee liaisons]], and [[droit de seigneur]])
* Mutual trade - [[prostitution]], or "both gain" type of arrangements.

Additionally, the pool of available and acceptable candidates may be limited, to own town, own religion, similar status, tactically advantageous (eg to cement social bonds or make peace), and so on.

=== The search for a partner ===
==== Locating and identifying potential partners ====
Industries devoted to enabling sex or sexual communication include [[nightclub]]s, [[singles bar]]s, [[Personal advertisement|personal want ads]] (in newspapers and on the web), [[Dating system|dating services]], and [[Prostitution|brothels]], among many others. Many organizations and clubs sponsor events that bring people with similar interests together. Religious and family connections provide another way for people to meet.

==== The encounter between potential partners ====
Once a person has located another person with whom they desire to have sex, the first thing to be done is to introduce themselves or position themselves in such a way that he or she will introduce himself or herself, or to non verbally demonstrate their sexual availability and interest to the person in question, This may not be as simple as it sounds.

=== Potential problems ===

==== The fear of rejection ====
The fear of [[Rejection (emotion)|rejection]] is common when trying to befriend a potential partner. If the participants are both [[Sensitivity (human)|sensitive]] to the other's signals, then they can detect quickly whether their sexual objectives are mutual. If they discover soon enough that their objectives are at odds with one another, then a conversation can end before either one [[Embarrassment|loses face]], and then each person can seek others with whom to communicate. On the other hand, if the communication results in an escalating sense of [[Emotional intimacy|intimacy]] for both participants, then a degree of [[Trust (sociology)|trust]] is established that mitigates the fear of rejection.

== Sexual activity and lifestyles==
===Different-gender sexuality===
Different-gender sexuality involves two individuals of opposite [[gender]]s. People who engage exclusively in different-gender sexual practices do not necessarily identify themselves as straight or [[heterosexuality|heterosexual]], though (unlike homosexual for same-gender sexual practices) most definitions of "heterosexual" would include them despite varying levels of activity, frequency, and interest. In fact, they may identify themselves as straight or heterosexual, [[bisexuality|bisexual]], or not at all. Likewise, an individual who practices both same and different sex sexual behaviour may identify himself or herself as [[gay]], [[lesbian]], bisexual, [[heterosexuality|straight]], or not at all.

Though often associated with [[gay]] men, [[anal sex]] is a common different-gender sexual practice. The anus is "tighter" than the vagina and thus may be preferable to the male during penetration; additionally, many people enjoy flouting cultural sexual [[taboo]]s. Anal sex is not advisable as [[birth control]] as it is still possible, though unlikely, for semen to enter the vagina. Different-gender anal sex is also often practiced where the woman penetrates the man with a [[strap-on dildo]], known as [[pegging (sexual practice)|pegging]].

Different-sex sexual practices are limited by laws in America and many other places. In America marriage laws may serve the purpose of encouraging people to only have sex (and children) within marriage. [[Sodomy]] laws were seen as encouraging different-sex sexual practices. Laws also ban adults from committing [[sexual abuse]], committing sexual activities with anyone under an age of consent, performing sexual activities in public, and engaging in sexual activities for money ([[prostitution]]), though these laws all cover same-sex sexual activities they may differ with regards punishment and may more frequently or only be enforced on same-sex sexual activities. Laws also control the making and viewing of [[pornography]], including different-sex sexual activities.

[[Courtship]], or dating, is the process through which some people choose potential sexual and/or marital partners. Among straight (presumably [[middle class]]) teenagers and adolescents in the mid-[[20th century]] in America, ''dating'' was something one could do with multiple people before choosing to "go steady" with only one, the eventual goal being either sex, marriage, or both. More recently ''dating'' has become what ''going steady'' was and the latter term has fallen into disuse.

Different-sex sexual practices may be [[monogamy|monogamous]], serially monogamous, or [[Polyamory|polyamorous]], and, depending on the definition of sexual practice, [[abstinence|abstinent]] or [[Autosexuality|autoerotic]] (including [[masturbation]]).

Different moral and political movements have waged for changes in different-sex sexual practices including courting and marriage, though changes are usually made only slowly in all countries. Especially in the [[USA]], campaigns have often sparked and been fueled by [[moral panic]]. There, movements to discourage same-sex sexual practices often claim to be strengthening different-sex sexual practices within marriage, such as [[Defense of Marriage Act]] and the proposed [[Federal Marriage Amendment]].

===Same-gender sexuality===
Same-gender sexuality involves two or more individuals of the same gender. It is possible for homosexual acts to be committed by those who self-identify as heterosexual; e.g., mutual masturbation in the context of what may be considered "normal" heterosexual teen development. Homosexual people who pretend to lead a life of heterosexuality are often referred to as living "closeted" lives, that is, they hide their sexuality in the "[[closet]]". The term "closet case" is a derogatory term used by homosexuals to refer to another homosexual that pretends to be heterosexual, and "[[coming out]]" or "[[outing]]" refer to making that orientation (semi-) public voluntarily, or as an action by others respectively.

Despite stereotypes and common misconceptions, there are no forms of sexual activity exclusive to same-gender sexual behavior that can not also be found in opposite-gender sexual behavior, save those involving contact of the same sex genitalia. (see [[tribadism]], [[frot]])

Certain situations, like [[incarceration]] or single-sex schools and other sex-segregated environments, may often lead people who would not ordinarily seek sex with others of their own gender to this kind of sexual behavior. This is known as institutional homosexuality.

In other cases, some people may experiment or explore their sexuality with same (and/or different) gender sexual activity before defining their [[sexual identity]]. Health campaigns and officials often seek to target self-identified "straight" or bisexual "Men who have Sex with Men" or "Men who like Sex with Men" (MSM) as opposed to self-identified "gay" or ''homosexual'' men.

People who engage exclusively in same-sex sexual practices do not necessarily identify themselves as "[[gay]]" or "[[lesbian]]". However, definitions of ''homosexual'' remains the same, "a person who is sexually attracted to members of your own sex". However, the degree of attraction complies with the varying levels of frequency, willingness, and/or interest.

Among some sectors of African-Americans (called "men on the DL" or "[[down-low]]"), same-sex sexual behavior is sometimes viewed as solely for physical pleasure. Men on the "down-low" may engage in regular (though often covert) sex acts with other men while continuing sexual and romantic relationships with women. These men often shun the more commonly-known "gay" as a term applying to stereotypically flamboyant and effeminate men of European ancestry there, a group from which some may wish to distance themselves.

''See also:'' [[cottaging]], [[cruising for sex]], [[gay bathhouse]], [[men who have sex with men]].

===Extended partnership sexuality===
Cases where more than two individuals form a sexual partnership are covered within:
* [[Polyamory]] - committed [[loving relationship]]s with more than one partner.
* [[Polygamy]] - religions and cultures which allow multiple wives or (less commonly) husbands.
* [[Group sex]], [[swinging]], [[casual sex]] and [[casual relationship]]s - which are usually not intended to be binding partner-bonds and therefore there is less assumption of [[monogamy]].

===Auto-erotic sexuality===
{{main|Autoeroticism}}
Autoeroticism is, as its name implies, sexual activity that does not involve another person as partner. It can involve [[masturbation]], but also several [[paraphilia]]s (unusual sexual practices) do not require a partner either.

{{sectstub}}

===Alternative sexuality===
{{main|Alternative sexuality}}
A number of so-called [[alternative sexuality|alternative sexualities]] exist. These are usually based upon individual choice. They range from the broadly accepted or tolerated, through to the highly controversial and illegal.

Examples of these less common or alternative sexualities include [[BDSM]] activities where [[Domination and submission (BDSM)|dominance and submission]] activities are central features of sexual activity, through to [[zoosexuality]] where the partner in a long term relationship may be of another species.

===Coercive and abusive sexuality===
{{main|Sexual abuse}}
Sexual activity can also encompass sexual abuse - that is, coercive or abusive use of sexuality. Examples include: [[rape]], [[lust murder]], [[child sexual abuse]], and [[zoosadism]] (animal abuse which may be sexual in nature), as well as (in many countries) certain non-consensual paraphilias such as [[frottage]], [[telephone scatophilia]] (indecent phonecalls), and non-consensual [[exhibitionism]] and [[voyeurism]] (known as "[[indecent exposure]]" and "[[peeping tom]]" respectively).

== Variations between cultures ==
{{sectstub}}

==Safety and ancillary issues==
There are four main areas of risk in sexual activity, namely:
* The risk of choosing to trust a person who is physically a risk
* The risk of [[sexually transmitted disease]]
* The risk of unwanted [[pregnancy]]
* The risk of seeking or engaging in an activity which is legally or culturally disapproved.
These risks are raised by any condition (temporary or permanent) which impairs one's judgement, such as excess [[alcohol]] or [[drugs]], or emotional states such as [[loneliness]], [[depression (mood)|depression]] or [[euphoria]] (e.g. new students at college). Carefully considered activity can greatly reduce all of these issues.

=== Sexually transmitted disease ===
Sexual behaviors that involve contact with another person or the bodily fluids of another person entail some risk of transmission of [[sexually transmitted infections]], which is why [[safer sex]] techniques are recommended. These techniques are generally seen as less necessary for those in committed monogamous relationships with persons who have been demonstrated to be free of disease; see [[fluid bonding]].

Due to [[health]] concerns arising from [[HIV]]/[[AIDS]], [[chlamydia]], [[syphilis]], [[gonorrhea]] and other [[sexually-transmitted infections]], some people may want potential [[sex]] partners be tested for [[Sexually-transmitted infection|STI]]s before engaging in [[sex]].

===Unwanted pregnancy===
Sexual behaviors that involve the contact of [[semen]] with the [[vagina]] or [[vulva]] may result in [[pregnancy]]. To prevent pregnancy, many people employ a variety of birth control measures. The most popular methods of prevention are [[condoms]], [[spermicide]]s, and the [[birth control pill]].

=== Judgment impairment ===
[[Recreational drug use|Recreational drugs]] are often used in social settings in the belief that they enhance interpersonal communication. Some common recreational drugs are [[ethanol|alcohol]], [[Cannabis (drug)|cannabis]], [[caffeine]] and [[nicotine]].

* [[Alcoholic beverage|Alcohol]] is sometimes called a "social lubricant" because it reduces [[Social Inhibition|inhibitions]], including those caused by the fear of rejection. At the same time, though, alcohol impairs judgment, making a person less receptive to subtle signals, which can result in less effective communication. More importantly, this judgment impairment can lead to poor decision-making regarding sex, such as engaging in [[unsafe sex]].
* [[Cannabis (drug)|Cannabis]] can induce increased appreciation for [[humour]] and [[art]], which might improve communication. But at the same time, it can cause one to become [[Introspection|introspective]], and thus less inclined to communicate.
* [[Caffeine]] and [[nicotine]] are [[stimulant]]s. Others include [[amphetamine]]s and [[cocaine]]. Stimulants can increase alertness and improve [[attention]], both of which can improve one's ability to communicate effectively. However, stimulants also have adverse health effects when used in large amounts.

Use of recreational drugs is frequently cited as a risk factor for health problems including [[sexually transmitted diseases]], [[addiction]], [[birth defects]], [[heart disease]], [[cancer]] and [[liver disease]], among others.[http://dancesafe.org/documents/druginfo/risk.php]

==Legal issues related to sexual behavior==
{{main|Paraphilia#Legal views|Sex and the law}}
===Sodomy and same sex laws===
Various forms of same-gender sexual activity have been prohibited under law in many areas at different times in history. In 2003, the [[Lawrence v Texas]] United States Supreme Court decision overturned all such laws in the US.

Usually, though not always, such laws are termed [[sodomy law]]s, but also include issues such as age of consent laws, "decency" laws, and so forth. Laws prohibiting same-gender sexuality have varied widely throughout history, varying by culture, religious and social taboos and customs, etc. Often such laws are targeted or applied differently based on gender as well. For example, laws against same-gender sexual behavior in [[England]] during the reign of [[Victoria of the United Kingdom|Queen Victoria]], sodomy or "buggery" laws were aimed specifically at male same-gender sexual activity and did not target or even address female same-gender sexual activity. A well known example of such laws applied in modern times can be found in [[Alan Turing]].

== List of sex acts and practices ==
:''There are many variations of sexual activities, and often multiple names for any given practice. For more detail see the comprehensive ''[[list of sex positions]]'' and ''[[list of sexual slang]].''

===General===
{{col-begin}}
{{col-3}}
*[[Anal sex]]
**[[Anal-oral contact]]
**[[Fisting]]
**[[Pegging (sexual practice)|Pegging]]
*[[Casual sex]]
*[[Erotic massage]]
*[[Foreplay]] (aka "petting")
*[[Genital]]-genital sex
**[[Coitus]]
**[[Tribadism]]
**[[Frot]]
**Docking
*[[Group sex]]
**[[Swinging]]
**[[Bukkake]]
**[[Gang bang]]ing
**[[Orgy]]
**[[Ménage à trois]] (threesomes)
{{col-3}}
*[[Hogging (Sexual)|Hogging]]
*[[Masturbation]]
**[[Autosexuality#Autoeroticism|Autoeroticism]]
**[[mutual masturbation]]
**[[Anal masturbation]]
*[[Oral sex]]
**[[Oral sex#Cunnilingus|Cunnilingus]]
**[[Oral sex#Fellatio|Fellatio]]
**[[Felching]]
**[[Teabagging#Teabagging as a sexual practice|Teabagging]]
**[[Snowballing (sexual practice)|Snowballing]]
*[[Outercourse]]
*[[Play piercing]]
*[[Pornography]]
*[[Sexual roleplaying|Roleplay]]
*[[Safe sex]]
*[[Seduction]]
*[[List of sex positions|Sex positions]]
{{col-3}}
*[[Sex toy]]s, using
**[[Vibrator]]s
**[[Dildo]]s
**[[Strap-on dildo]]s
**[[Sybian]]s
**[[Butt plug]]s
**[[Sex doll]]s
**[[Nipple clamp]]s
**[[Anal beads]]
**[[Artificial vagina|Pocket pussies]] (masturbation sleeve)
**[[Aneros]] (prostate massager)
**[[Fleshlight]]s
**[[Cock ring]]s
**[[Ben Wa balls]]
**[[Kegel exerciser]]s
*[[Sexual roleplaying]]
**[[Ageplay]]
**[[Lingerie]] (erotic clothing)
**[[Cross-dressing]]
*[[Vaginal sex]]
{{col-end}}

===Specialized BDSM and paraphilia related===
Generally less common, but still widespread, are the various [[paraphilia]]s. Some of the more common ones are:

* [[BDSM]]
**[[Bondage (BDSM)|Bondage]]
**[[List of bondage positions]]
**[[Sadism and masochism]]
*** Sexual masochism is the recurrent urge or behavior of wanting to be humiliated, beaten, bound, or otherwise made to suffer.
*** Sexual sadism is the recurrent urge or behavior involving acts in which the pain or humiliation of the victim is sexually exciting.
**[[Domination and submission (BDSM)|Domination and submission]]
**[[Impact play]]
***[[Erotic spanking]]
***[[Flagellation]]
***[[Paddle (spanking)|Paddling]]
***[[Caning]]
* [[Sexual fetishism|Fetishism]] is the use of non-sexual or nonliving objects to gain sexual excitement.
**[[Foot fetishism]]
**[[Leather fetishism]]
**[[Latex and PVC fetishism]]
**[[Transvestic fetishism]] is [[cross-dressing|wearing clothes of another gender]] for sexual reasons.
* [[Pedophilia]] is the sexual attraction to prepubescent children.
* [[Polyamory]]
* [[Statuephilia]] (Pygmalionism)
* [[Frotteurism]] is the recurrent urges or behavior of touching or rubbing against a nonconsenting person.
* [[Wax play]]
* [[Zoophilia]], the attraction to other species as partners.

===Specialized verbal or visual activities===
Some forms of sexual activity involve someone else, but not touching the other:

* [[Dirty talk]]
**[[Phone sex]]
**[[Cybersex]]
* [[Exhibitionism]] is the recurrent urge or behavior to expose one's genitals to an unsuspecting person.
* [[Voyeurism]] is the recurrent urge or behavior to observe an unsuspecting person who is naked, disrobing or engaging in sexual activities.

==See also==
{{commonscat|sex}}
* [[Sex]]
* [[Human sexuality]]
* [[History of sex]]
* [[Sexual orientation]]
* [[Sex education]]
* [[Sexual slang]]
* [[List of sex positions]]
* [[List of sexology topics]]
* [[Men who have sex with men]]
* [[Homosexuality]]
* [[Queer]]
* [[Gay]]

[[Category:Human behavior|Sexual behavior]]
[[Category:Human sexuality|Sexual behavior]]
[[Category:LGBT|Sexual behavior]]
[[Category:Personal life|Sexual behavior]]
[[Category:Self|Sexual behavior]]
[[Category:Sexual health|Sexual behavior]]

[[de:Sexualpraktik]]
[[fr:Comportement sexuel humain]]
[[he:יחסי מין]]
[[lt:Seksas]]
[[nl:Seksualiteit]]
[[pl:Seks]]
[[pt:Comportamento sexual humano]]
[[fi:Seksuaalinen kanssakäyminen]]
[[yi:סעקס]]
[[zh:人类性行为]]

Revision as of 05:20, 9 July 2006