[There's a courtesy chuckle for the joke, because who hasn't floated an inside joke in a conversation before?]

Interesting... I wonder if our Earths are the same one? Probably not. Most likely parallel, like the rest of them. Which is fine, but you know, it'd be nice to come at things at the same level. What sort of magic have you been familiarizing yourself with?

[It's probably something weird and convoluted, but that's okay. He's been learning a lot of weird stuff about other realities tonight, which at least reassures him that his reality is the perfectly normal one.]