Bisexuality refers to one of four main classifications of sexual orientation—homosexual, heterosexual, asexual, and bisexual. The term homosexual describes people who are sexually attracted to members of the same sex, heterosexual describes people attracted sexually to the opposite sex, asexual describes those who do not experience [Page 65]sexual attraction, and bisexual refers to people who have sexual attraction to people of both sexes. Each of these categories (with the exception of asexual) relies on sexual dualism (the belief that there are two and only ...