Oh no you don't, kid. I said I'd take responsibility for you, and that's what I'm gonna do.

[ Gwen puts her foot down for emphasis. If he's blind then he can't see her expression, so she'll just have to make her "I'm totally serious"-ness clear in other ways. ]

Besides, aren't you like, hungry maybe? I can get you lunch or dinner or whatever. You shouldn't be wandering around on your own or something.

[ That sounded real mature until the "or something" ]