Or nobody left you off at all and a spreadsheet just couldn’t find you, which is what happened to me and which is worse in a way I still can’t explain to anybody.

“Or you’re on the list and the email works and it comes through and you read it and you don’t go.

“And I’d never thought about the third one in my life.

Until I started doing this I genuinely did not know that people get invited to things and don’t go.

I thought getting invited was the whole thing.”

He is twenty-nine now.

He was invited.

It went to a boy called Julian Renner, at a house that had been sold, from a committee working off a yearbook, and it bounced, and a man in a group chat asked four hundred people if anybody had an address for him and nobody did.

And what my son is doing about that, ten years on, in the evenings, in a rented apartment in south Austin with a bicycle in the hall, is going down a list of four hundred and eleven names and making absolutely certain that the same thing does not happen to twelve people he has never really spoken to.