[Well that's... got him thinking now. It's kind of random and he's not sure he knows why he's suddenly making this offer, but...]

You know, we do get our normal abilities back when we go somewhere with that time machine. Would you want to try to learn how to use regular magic?

[He's not sure how good of a teacher he could be, but he's got the basics well enough that he could probably teach them, if she's interested.]