In America, as was the topic earlier about polygamy, consenting adults are supposed to do - be able to do whatever they want to each other. . . whether it's marrying multiple partners, marrying someone of the same sex, prostitution, marijuana. As long as you're not hurting anyone else, it's really none of the government's business.
Quentin Crisp said it to me; now I say it to you: say yes to everything.