[ Chouji can understand feeling quieter than usual. Everybody has their days, after all, and he'd probably have to raise an eyebrow at anybody who could cheerfully carry on without even batting an eye during unpleasant circumstances. Besides, nobody needs to keep talking when they don't want to. ]

With as many things as Luceti sees happen, it's easy to wind up worrying about people you know. I really admire how well you manage it, Katara. [ Kind of knows that one from experience, honestly. And this is where his tone gets softer, because he's not much of the pressing type (wouldn't normally ask this out loud at all), but part of him suddenly really just wants to know. And that would be his hand on the railing right next to yours. Seeing as randomly taking a person's hand wouldn't be polite at all. ] But do you ever get to just worry about yourself?