No, no. I've just got a good memory and have been here long enough to know a lot about this place.

[He takes a moment to realise what the nervous smile means. Normally, he'd get it pretty quickly – but he's not had peace and quiet for very long between all these events.]

If you feel I'm overloading you, I'm really sorry. I ramble when I'm tired.

…

Would you mind a tour of the place?