Did people ever stop changing? They surprised you with fresh pain. Sometimes they surprised you with happiness, but the pain was the sharper surprise. There was no way to protect yourself from it. People could always change and always hurt you. Of course it went in the other direction too, you could hurt them when you didn't intend it and that too was out of your control.

Evening (ed. Vintage, 2010) - ISBN: 9780307758781