[He's transfixed, truly. Humans might not have ever thought pandas could be so expressive, but there's no better word for it. He watches her every movement, watches the water's motions, and when it falls back into the post? He's moved from transfixed to looking at her with total awe, because that is one of the coolest things he has ever seen. Ever.

And Po has seen quite a lot.]

Th—that's— that is. [Enough to render Po unable to speak well, apparently. He knows his master doesn't appreciate the blathering at important moments, but this is simply cooking with a stranger he'd like to know better. It's hardly finding out about his final teaching, so he thinks it's not so unorthodox.] Freaking awesome! How does that, how can you, I mean—is that some sort of magic? How do you do that? I saw you do some thing with your— [And that would be Po mimicking her arm movements to an almost perfect degree] —just...with your arms, and that can happen?