[The whole thing doesn't sound too farfetched to him. Being someone who already looks monstrous and who found out he travels through some other dimension when he teleports. The magic's new, although he does know that mutant powers can be oddly magic-like.

He shrinks back a bit as she calls him out. So she's finally questioning his appearance.]

I- I know it sounds crazy! I'm still wrapping my head around it myself. But, um, I'm not shady at all! I swear!

[He sighs.]

It's just - I'm different from other people. Even in a place like this, I kinda stick out. Trust me... if you got a good look at me, you might not like what you see. [She seems nice enough, so far. But even though he's had some surprising cases of people who've immediately accepting him the way he was, he also knows the opposite. People who are suddenly afraid or distrustful of what he really is. So he hesitates.]