[That makes Edward look up. His gaze is still serious, brutally so, and sure, maybe it's judgmental. But he's not scoffing or marching off in disgust, either. He's giving those words steady consideration.]

You saying that means a lot, actually. It doesn't mean I believe you, or that I'm okay with everything that's happened. I'm gonna be watching you, and you better believe I'll be right there to beat the hell out of you if you ever slip up. ...But okay.

[His fists relax, just a little, enough to be noticeable.]

Don't break that promise, Sokka.