[ zuko shrugs. ] Everything, pretty much. Bending isn't just a gift, it's a way of life. It's an art form, a fighting style, and an integral part of yourself all rolled into one. My bending went on the fritz for a while, once, and I didn't feel like— [ myself.

she's asking too many questions at once and that last one, well... ] It's because my country is at war with the other nations and the Avatar is trying to bring about an end to that war. To teach the Avatar firebending would be assisting him in these efforts, which is considered treason.

[ and he's the crown prince who's doing just that. ]