after reading your responses to answers I feel this needs to be said. (I'm not gay, so I take my opinions with a grain of salt): Gay men aren't denying that heterosexuality is incredibly practical (its practical for a man to have sex with a woman because then the woman might get pregnant, give birth, and keep the human race alive, etc.) And I imagine that the only thing "wrong" with a woman that would make a gay man not be attracted to her is that she isn't a man. Gay men are just not turned on/attracted to women in the way that they are to men. So if they want to be in a relationship where they are attracted to their significant other, they have to be in a homosexual relationship. Why are they attracted to men like this but not women? probably for the same reason that you have certain color eyes, certain color hair, and are attracted to women but not men. Its the result of your DNA.