Anger does not come easy to me. It is something I have to encourage, like a greyhound in second place.

It is strange to hear your mother talk about being human because, honestly, it's too easy to forget.

I find that the only way to get through life is to picture myself in an entirely disconnected reality. I often imagine how people would react to my death. Mr Dunthorne's quavering voice as he makes the announcement. The shocked faces of my classmates. A playground bedecked with flowers. The empty stillness of a school corridor. Local news analysis. . . . The steady stoicism of my parents. . . . Candlelit vigils. . . . And finally, my glorious resurrection.

Exercise II. Write a diary, imagining that you are trying to make an old person jealous. I have written an example to get you started: Dear Diary, I spent the morning admiring my skin elasticity. God alive, I feel supple.

After that, we had a short conversation about how your body can sometimes seem totally separate. She said her body can feel like a distant bureaucracy controlled by telegrams from her brain, and I said my body is sometimes like that of Mario Mario, being controlled with a Nintendo joypad. Mario's surname is Mario.

I don't know if I've come of age, but I'm certainly older now. I feel shrunken, as if there's a tiny ancient Oliver Tate inside me operating the levers of a life-size Oliver-shaped shell. A shell on which a decrepit picture show replays the same handful of images. Every night I come to the same place and wait till the sky catches up with my mood. The pattern is set. This is, no doubt, the end.

That's a big love letter," she says, squinting. I know what I'm going to say and for a moment I wish there was a film crew documenting my day-to-day life: "I've got a big heart," I say.