Instructions for Adam Look after no one except yourself. Go to university and make lots of friends and get drunk. Forget your door keyes. Laugh. Eat pot-noodles for breakfast. Miss lectures. Be irresponsible.

It's all right, Tessa, you can go. We love you. You can go now.' 'Why are you saying that?' 'She might need permission to die, Cal.' 'I don't want her to. She doesn't have my permission.

It's utterly beautiful not to know my own edges.

Don't pretend to care. I don't need you as an anesthetic.

I want to die in my own way. It's my illness, my death, my choice. This is what saying yes means.

Her face crashes. She hasn't dealt with a single transfusion or lumbar puncture. She wasn't allowed near me for the bone-marrow transplant, but she could have been there for any number of diagnoses, and wasn't. Even her promises to visit more often have faded away with Christmas. It's her turn to taste some reality.

Every seven years our bodies change, every cell. Every seven years, we disappear.