Whatever you think of de Sade, he was a complex figure and we should not look for easy answers with him. He was, strangely perhaps, against the death penalty, and he was never put in prison for murders or anything like that.
It couldn't be a simpler answer. Marriage doesn't really mean anything to me. I feel like in many ways marriage is more for the families of the couple than for the people involved, so I don't gravitate to it.
It is widely assumed, contrary to fact, that theism necessarily involves the two assumptions which cannot be squared with the existence of so much suffering, and that therefore, per impossibile, they simply have to be squared with the existence of all this suffering, somehow.

