[She's not sure he's at all serious here with anything that he says. But it's evident to her that he's trying to make up for upsetting her... and that's good enough for Katara. It wins a wry smile.]
I don't understand you at all sometimes, Masaomi. But thanks. I think.
[Action]
I don't understand you at all sometimes, Masaomi. But thanks. I think.