God wants the gay to suffer, because god is absolutely a sadist, almost all of old testament is about how god hurts people, often for no reason.
He also tortured his son or himself IDK, depends on what lunacy people subscribe to. So he is absolutely a sadist, with the possibility of also being a masochist.
Apart from that he is a flaming narcissist, just consider the 10 commandments, the first ones are all about him.