( Why waste time talking around the point when you can just get straight to it!!! That sure is something, though, and he isn't really sure what to make out of it. A flatworm? How's that different from any other worm? He's never seen a flat worm before.

Holding up his own hands, he mimics the same wiggly wobbly motion like that's some how going to help him understand but... hm.. )

... You're pretty tall for a worm. ( Yes. That's it. That's exactly what he's going to say. Well, he won't dwell on it too much! ) You'll fit in just fine here so don't worry. ( For now. ) What else d'ya wanna know, huh?