[Suspicion confirmed. As if she really had to think about it.]

So Shikamaru put you up to this? [Well, if that's true and it probably is, there's probably no harm in it.

She'd definitely hear from Shikamaru if she didn't go along with it. And he calls her troublesome.] I get to ask a question first, though. You called Sokka your uncle; you know Katara, then.

Now, what question do you want answered first?