"Chores might get you some money - points, we call 'em -, but I don't know how many. Not a lot; there's people who do their chores regular, but they don't get many points for it."

And he's still not sure the month he went wild with chores really had anything to do with what he did get.

"But the dining car's just a car with a long table in it and benches either side. It's easy to miss if you didn't start from the other end. It goes the store room, the kitchens, then the dining cars. And then you have the quiet and public coaches. Makes sense how everything's ordered. All the cars after that've been added every new month. There's always a new car - right before you get to the bedrooms."