Many sexual behaviours, such as adultery or sex with someone younger than eighteen are crimes in the United States. There are several laws that tell people about their sexual behaviour. Laws about sex are ancient and has its roots in the Hebrew Bible. These rules were used to regulate the religious morals. Even though sex has become a much more private subject, most societies have laws for sexual behaviour. These rules should free people from sexual assault and coercion and that children should not be sexually exploited. Fornication is illegal because this often results in extramarital births. It is compelling that the Judeo-Christian religion still determines some sexual laws since constitution forbids imposing others with religious beliefs. However, these sexual laws resemble rather moral than religious belief. The Victorian compromise refers to the conflict in attitudes about sexuality and results in the law not criminalizing the behaviour per se, but the conduct that is visible to the outside world. The study of sex and the law reflects inequality, sexuality, sexual identities and individuality of a society. The categorization of sexual laws is difficult because no-one knows how many there are....