Description: Currently you are watching Archives of sexual behavior kissing porn video. You can find more videos like Archives of sexual behavior kissing below in the related videos section. Theories on kissing, a behavior that is unique to humans, suggest that we do it to help assess genetic quality of potential mates, increase arousal, and keep relationships together. Researchers at Oxford University used an international survey of over men and women ages 18 to 63 to determine which of these factors were true and whether there were differences based on sex, length of relationship, and physical attractiveness. The results were published in the Archives of Sexual Behavior. This study explored these potential functions of romantic kissing by examining Sexual Behavior*; Sexual Partners/psychology*; Surveys and.
Added: 05.12.2018 at 03:11
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