Jean lives with his parents (haha, no surprise there.) His parents are both tailors, though they're fairly well off, since they own their own shop and specialize in custom work for Englightened folk and that sort of thing. (And yes, their house is right above the shop.) Which explains how Jean always has clothes that fit, despite the obvious buttwings.

That being said, Jean knews how to sew and patch stuff up and whatnot, but here's definitely not as skilled, since being Enlightened means he gets to do COOL STUFF!! Yeah, since he's an only child, his parents have been really accommodating... His room is probably a mess half the time when he's there, but his mom cleans it and picks up his stuff... wow, Jean. You're so embarrassing.