Sexual arousal can also be experienced from foreplay and flirting, and from fetish or BDSM activities, or other erotic activities.Most commonly, people engage in sexual activity because of the sexual desire generated by a person to whom they feel sexual attraction; but they may engage in sexual activity for the physical satisfaction they achieve in the absence of attraction for another, as in the case of casual or social sex.Human sexual activity, human sexual practice or human sexual behaviour is the manner in which humans experience and express their sexuality.People engage in a variety of sexual acts, ranging from activities done alone (e.g., masturbation) to acts with another person (e.g., sexual intercourse, non-penetrative sex, oral sex, etc.) in varying patterns of frequency, for a wide variety of reasons.3 (June 2007): 357–68) reported that sexual behavior with a partner on one day significantly predicted lower negative mood and stress, and higher positive mood, on the following day.
Some non-conventional autoerotic practices can be dangerous.
A man and woman may engage in sexual intercourse with the objective of conception.
Some people engage in hate sex, which occurs between two people who strongly dislike or annoy each other.
Sexual activity usually results in sexual arousal and physiological changes in the aroused person, some of which are pronounced while others are more subtle.
Sexual activity may also include conduct and activities which are intended to arouse the sexual interest of another or enhance the sex life of another, such as strategies to find or attract partners (courtship and display behaviour), or personal interactions between individuals (for instance, foreplay or BDSM). Human sexual activity has sociological, cognitive, emotional, behavioural and biological aspects; these include personal bonding, sharing emotions and the physiology of the reproductive system, sex drive, sexual intercourse and sexual behaviour in all its forms.
It is related to the idea that opposition between two people can heighten sexual tension, attraction and interest.