[Bumi knows that face all too well, he'd earned it from Toph many times over growing up, so when he sees it now on Yin...he can't help but smile.

A smile which only grows wider when he manages to make her laugh.
Who's distracting who again? Never, don't answer that...in the end it doesn't matter.]

He's a good kid, that one. Very different from how the world remembers him, that's for sure. I'm kind of looking forward to all the double-takes and slack jaws when he goes public.

[Because Bumi knows he will go public at some point. Either by choice or circumstance.

At that moment something occurs to Bumi, and he turns his attention back to BumJu.]

You knew who she was the entire time, didn't you.

[Have you ever heard the long suffering sigh of a very put-upon spirit before? No? Well you have now.]