This is not autobiographical.
Here they are in no particular order:
1. You know what a counterpane is.
2. You know all the titles in the British monarchy’s peerage, in order, and have already decided which one you would be willing to settle for if you were sent back to the early nineteenth century, a fantasy you have at least twice a week.
3. You can match the following places with their functions (men’s club, ride on Rotten Row, marriage mart, horse and carriage mart) in 8 seconds or less, with one hand tied behind your back, drunk:
(d) Hyde Park