Lucifer: Well, if somebody would be a pal and let me eat a little of his grace, I would have enough strength to get out of here and butcher that son of a b*tch!

Castiel: Well, that's a nice, horrifying plan. Little cannibalism.

Lucifer: Really? I seem to remember a somebody snacking on angel grace once upon a time. There is no “I” in “team”, Castiel. I want you to remember that.