He shrugs. "I dunno. Still wouldn't be my right age, nobody knows that."

A beat, and then in an explanatory tone: "I was too little to know how old I was when we got on the train, and my ... my mother died early on, and never really got the chance to tell anyone else how old her baby was. Wasn't old enough to walk yet, I don't think. Must've been older than like ... just born, though. Probably."