"Because I care about promises, and it's too big and too vague, and it's stupid. Everybody hurts people. You hurt people, you're a soldier. But you want me to just promise never to, when neither of us knows what will happen tomorrow. You're - you're being a hypocrite, and a coward. So I won't promise and you can't make me. Give me my own will back or don't. I'll sit on the damned book like a chicken if I have to."

And then he disappears, book still clutched to his chest.