Jade's face is immediately and absolutely relieved. He could have met her with more arguments, with anger, derision - those would have been difficult. Agitation and uneasiness she can deal with, and it's clear that she is pleased by his answer.

"That's okay! I hope we can get along, though. I've heard a lot about you, Harry Potter, you seem like a really interesting guy."

There's another flash of a smile, here, encouraging. "Ready to start walking again?"