[Papyrus takes him in as well -- this human looks just slightly different from the others he's met, definitely shorter, but he grew up in a world of monsters. Miles' appearance doesn't strike him as very different from the others' and after carefully wiping his feet, he heads in and sits down.]

It's very different from the Underground! Which can be a good thing or a bad thing, depending on how you look at it. I prefer to think of it as pretty great!