Depression comes in bouts. Like boxing. Dad is in the blue corner.

My mother tells me I do not chew my food enough; she says I am making it harder for my body to get the essential nutrients it needs. If she were here, I would remind her that I am eating a blueberry Pop-Tart.

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.

The next thing Jordana says makes me realize that it's too late to save her. "I've noticed that when you light a match, the flame is the same shape as a falling tear." She's been sensitized, turned gooey in the middle. I saw it happening and I didn't do anything to stop it. From now on, she'll be writing diaries and sometimes including little poems and she'll buy gifts for her favourite teachers and she'll admire the scenery and she'll watch the news and she'll buy soup for homeless people and she'll never burn my leg hair again.

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

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.