Well, they don't matter nearly as much as the ones you have!

[ flat says this earnestly, not appearing to be as bothered by the subject of his own secrets as much as he is about the fact that he is being withheld interesting information! ]

You must have so many stories to tell, after all! How come you were cut in half, for example? How did you make it here, out of all places? Do you need to sleep or eat?!