The Mental Health Act only acknowledges ' husband or wife ', which was understood to refer only to mixed-sex partnerships.
Nudism is the practice of nonsexual social nudity, usually in mixed-sex groups, often at specially defined locations, such as nude beaches or nudist clubs.
More adolescents have experience in mixed-sex group activities like parties or dances than dating, and more have experience in dating than in having a serious boyfriend or girlfriend.
Formal dating patterns of the 1980s have been replaced in the early 2000s with informal socializing patterns in mixed-sex groups.