laws cover sex opposite sex sexual activities may differ regard punishment may frequently exclusively enforced engage sex sexual activities different sex sexual practices may monogamous serially monogamous polyamorous depending definition sexual practice abstinent autoerotic including masturbation additionally different religious political movements tried influence control changes sexual practices including courting marriage though countries changes occur slow rate homosexuality ottoman miniature book ''sawaqub al manaquib'' depicting homosexuality homosexuality romantic
Social science Sociology Sexology Human sexual behavior