You simply just aren't sexually attracted to the opposite sex. The same way a straight man isn't sexually aroused by another man.
We concluded texxx is bisexual. Its cool texxx. We left wingers don't judge based on sexual preference
Not a surprise. Now the head of the organization admits that much like another poster in this thread, he masked his own desire to choose something different with homophobia: link
I didn't want to engage in the pile on but really "science is losing this one"? Science isn't winning or losing anything. To the question at hand I agree that it isn't definitively proven that homosexuality is genetic, or more accurately, biological. There is thogh a lot of evidence that there is biological basis to homosexuality since it is observed in many different species and has been known in almost every part of human history and culture. There is also a lot of other evidence regarding brain development and biochemistry showing differences between homosexuals and heterosexuals.
Were they even making decent money with all this? "Hey you there, wanna stop being gay? That'll be $850 per class and $125 for the handbook" Probably ain't that profitable in the Year of The Lord 2013