Knockdown

• Kate Beckett: Look, I signed up for this when I put that badge on. You didn't. It's not your fight.
• Richard Castle: The hell it isn't. I don't run around you just to annoy you, I don't write up murder scenes in the middle of the night to satisfy some morbid curiosity. If that's all this was I would have quit a long time ago.
• Kate Beckett: Then why do you keep coming back Rick?
• Richard Castle: ...