Title: Opposite sex
Subjects: Gay men, Homosexueller, Homosexuality, Gays, Lesbierin, Relations with lesbians, Homoseksualiteit, Sexual behavior, Gay men, sexual behavior, Lesbians, sexual behavior, Homosexualité, Homosexuels, Sexualité, Homosexuels masculins, Relations avec les lesbiennes, SOCIAL SCIENCE, Gay Studies, Lesbe