[While he explains, she looks at him dumbfounded, almost as if he's speaking fish language except not because she can speak that now. Look, she's lucky enough she has a basic understanding of her own world's magic. Adding another one on top of that is asking way too much.]

I.. see... Yep, it all makes sense. What an interesting world you're from! But uh... yeah! Where I'm from, only witches can use magic, but there exists a potential in everyone. And there are magic families and stuff and they have stronger potentials or something? I'm from a non-magic family, but I'm still a pretty strong witch!