"It's a good thing he understood that this is food for you." Because Leo is right, deals with the gods are perilous. Though it is true they usually make you pay up front, so it's not a debt.

Curufin nods. "I hope that you will be able to survive here without eating anybody's soul. The hunger I can understand, as I have the experience of a driving force taking over my existence -- indeed, it felt, at the time, as though it were the reason for my existence. I am controlled by it no longer. But it doesn't sound as though you have that choice."