She has never once sent a message to be passed on.

In four years she has not put a single thing on our daughter, which is more discipline than I would have had.

The question came in the summer Wren turned twelve, in a car, out of nowhere, the way they always do.

She said: “Why did she close the curtain?”

I had been waiting for that one for three years and I had about eleven answers and every one of them was mine.

And I said: “I don’t know.