"I do," says Harry resolutely, "it took me a couple of months and a dozen or so angrily confused sessions with my therapist, but I figured it out eventually. She told me that growth happens when you're not looking, and that you don't notice you're outgrowing your comfort zone until the edges of it start pressing down on you. When you've already become too big for it. And that's the hardest part, because then you  have  to step out, whether you want to or not. And I really didn't. I tried to go back four times." 