He takes a step back because how dare but he doesn't do anything else. If he was up to his normal tricks he'd probably smack her hand away, but right now he just lets it happen.

"Usually I have a lot more patience than I do here. There's not as much to occupy my time." He huffs, because that's something valuable to someone who generally bides his time waiting to strike. "Very well. I suppose if you're going to teach me something we should do it properly. And with something sharp and pointy."