[Solved] What is the difference between "ideal" and "real" culture? Cohabitating Couples: Couples who live together in a shared dwelling without being legally married. Hypoactive Sexual Desire Disorder: A sexual dysfunction characterized by a persistent or recurrent lack of desire for sexual activity that causes personal distress. Sexual Desire: The psychological and emotional interest in sexual activity and the anticipation of such activity. Sexual Activity: Engaging in various forms of sexual intercourse or other sexual behaviors typically involving erotic practices.