I really don't want to bite to your pathetic, homophobic input but as you ask I don't think anyone "chooses" to be gay. Noone can choose what their brain is sexually attracted to. Our body is made up of an insane amount of genes and hormones and as animals we live our lives by the rules that they dictate. There is homosexuality throughout the animal kingdom and...
....you know what, I can't be assed to finish that... You know all this but your immature narrow mindedness and secret homosexual feelings lead you to attack those who are more open with themselves. I pitty you.