They're acting... happier, I've noticed. If you can even call it that.

[Chouji leaving after speaking over the journals alerted him that something might be up... but it just seems to be Katara. There's nothing too suspicious about that.

This is actually the first time he's looked at his journal in the past two days though, so he'll speak as he catches up.]

Would have to second what everyone else has been saying. It's sounding like an experiment.