If she asks him to put a shirt on, there will be a lot of teasing.

But bleary-Sokka is still not all there, nodding as he uses the towel to dry his face. He yawns once, a jaw-cracking movement, and then gropes for a hair tie by his pile of blankets. "I-- had some-- free time," he says finally, running his fingers through his hair, unconsciously tightening muscle when his arms rise.

But hey, since she's here and he's slowly noticing that she isn't about to leave, Sokka clues in as his hair is tied back. "Did I miss anything important?"