[ there's a mild smile in his voice as he responds. ] It's difficult to believe now, perhaps, but I am much, much older than I was back then. [ the amusement fades, though, as he continues. ] .. I would not have wanted you to see that side of me, Jack. It was.. occasionally quite savage.

[ he clears his throat, though, moving on gladly. ]

Don't be silly. It's no trouble to make up a bed for you, especially if you intend to be here for more than a few hours at a time.