Entitlement and lack of empathy. They don't care if you enjoyed it or not, if you felt used or not.

They're not having sex for the joy of it or to bond or to experience intimacy and feel connected.

They're havig sex to score. Plain and simple.

It's addict behavior, plain and simple. They will lie, cheat, manipulate, coerce, steal, do whatever they have to do to get that next fix.

They look at sexyap partners the same way a crack addict looks to their drug dealer. There's really not much difference.