Why'd That Kid Just Call You "Grandpa"?

Token booth man to teen: So you have no book bag, no ID, and no money? What grade are you in?
Teen: Eighth grade.
Token booth man: So why don't you have your books?
Teen: I spent the night at my girlfriend's.
Token booth man: So you have no book bag, no ID, no money, you're in eihgth grade,and you spent the night at your girlfriend's?

--Subway, Brooklyn

Overheard by: Mom in transit