you will see Science cure cancer first. good luck with that.
homosexual behaviour out in the wild, huh? are you saying this is an excuse? or a reason? no one needs a reason for homosexual behavior. it is an easy thing to do.
if you believe people are nothing but animals, you may have a point. have you got a good study showing an animal in the wild being exclusively same sex oriented? my dog tries to screw my leg. what does that make him?