Anakin watches as Garth'zel takes away his bowl, despite him having said it was ok, despite his stomach hurting in a way it never had before, he isn't actually sure he wants to leave food behind.

But he's being asked a question, so he looks back to Garth'zel instead of the cold storage unit, and shakes his head no. "I don't know how. I've seen it, a couple times but not enough to learn it."