Actually, I will add one small thing:
If the god you speak of intended for only a man and woman to mate, why in hell are scientists finding that homosexuality can be caused by genetics? In your belief system, does not god create each individual, forming their genetics? If so, then if it was not his will, then why would people be genetically inclined to be homosexual? Following your line of thinking, it is then god's will that there be homosexuals. If you want to justify genetic homosexuality another way, you must then sacrifice intelligent design and embrace evolution.
Thus, it is either god's will, or a genetic mutation.
In case anyone is wondering, I'm atheist/agnostic. The reason why I am both is that I leave a small chance for a god, or gods, similar to the titans of WC. Anyway, I am a creature of immense reason (not trying to brag or sound arrogant, however, my reasoning IQ comes close to rivaling that of Einstein), and insert reason into a neutral point of view, and thus am not victim to any sort of partisanship. My religion is reason. My political party is reason.