At first I thought he had major kink issues but since she eats suffering then it makes sense. Her flesh puppet may get fed with meat but the real her is still hungry so he suffers so she can feed. It's kinda nice in a messed up way.
Hendrik's life pretty much ranges from "nice in a messed up way" to "just plain messed up." XD The first one's about as good as it gets for him.
