Well -- I didn't suddenly grow wings at home. What happened was, I was able to do a thing called Linking with these creatures called Dream Eaters, and with one type I got wings like these. They weren't attached, though, they were just magic-based. So I think the Porter is laughing at the idea. Maybe it thinks they're cute.

[Everyone else seems to.]

Anyway, it turns out that I'm also a Dream Eater, though the other ones all looked like animals. So I guess these are part of that.