answer:I don’t know. Because they are different, I guess. And maybe there is a subliminal feeling of gender betrayal. Is there some anthropological hard wiring in us that makes us choosy about who gets to sit at the campfire? Who knows. I do know that people who concern themselves with others’ lifestyles that do not affect them negatively are not using their short time here on earth to live their own lives to the utmost. Who has time to police other people’s personal choices? Someone who is very, very, very bored. That’s who.