Looking on in silent approval, Obi-Wan watches as she pays for the goggles herself. He certainly has no reason to doubt her integrity any more. He's impressed, and now very curious as well.

"Oh, I know many things about the Force."

And with that he brushes the edge of his cloak aside so that he can return the coins to a pouch on his belt. If she looks quickly enough, Rey might catch sight of a very familiar lightsaber.

"Which leads to the real question here. What is it do you want to know?"