[Sokka probably SHOULD be wary. After all, if Zuko was pulling a fast one on them, there'd be pretty much nothing he could do to stop him while he was like this.]
Oh. Hey Zuko. [It's falsely casual. Less because Zuko is suddenly back and more because he's trying to act like his own situation is normal.]
[action]
Oh. Hey Zuko. [It's falsely casual. Less because Zuko is suddenly back and more because he's trying to act like his own situation is normal.]