[You know, come to think of it, he hasn't quite seen Katara around since that whole wall-painting thing they did together. This would probably be the best time to check on her, regardless--he's rested up, and somewhat able to get around for once. As such, the first thing he does is...

...Stare dumbfoundedly at his journal when he hears the message. What.

Out he goes to keep an eye on her for when she arrives in the village. There's a LOT of questions to be answered. B|]