> You've never heard of a "pity fuck"

Yes. I have. And I don't see who would want that.

> a girl who wanted to dump a chump of a boyfriend but didn't want to hurt his feelings?

Because she herself doesn't want to feel bad for doing it.

> But I do believe that most of it is largely subconscious.

Yes, that's exactly what I'm saying.

As for the rest, I'll leave that for the philosophy board that doesn't exist.