At home, I leave my shoes and socks off always. At other people's houses it's kind of up in the air. I do it if I'm asked to (or if I'm simply at a good friend/family's house), but I'm more uncomfortable with it with people I don't know as well for some reason. Part of it is that my feet tended to smell atrocious when I was younger. Still do sometimes. I would go places where I was absolutely not allowed to wear my shoes so that we don't track in dirt or whatever, but then I'd have to deal with comments the whole time I'm there about my feet and I would hate it.