People change so that you learn to let go. Things go wrong so that you appreciate them when they're right. You believe less so eventually you trust no one but yourself. And sometimes, good things fall apart so better things can fall together.

"Tell me one last thing," said Harry. "Is this real? Or has this been happening inside my head?"
"Of course it is happening inside your head, Harry, but why on earth should that mean that it is not real?"