I hid in your closet. Why won't you hide in mine?

So are you here to apologize for hiding me in your closet?

Castle: If we got murdered right now, I'd feel so ripped off.
Beckett: Yeah, me too!
Castle: At least we have last night. We should have done that four years ago.

That's going to leave a nasty scar. Every time you see it, think of me.

Castle: Beckett, what do you want?
Beckett: You.

Keep it, I resign.

I almost died and all I could think about was you.

Beckett: How the hell could you do this?
Castle: Because I love you. But you already know that, don't you? You've known for about a year now.

So this is what you look like.

Castle: You're not alone in this. I'm here.
Beckett: I know.

I keep waiting for that other shoe to drop. What if this is that other shoe?

Castle: When a life altering moment occurs, people remember.
Beckett: Maybe it's too big to deal with, maybe he can't face it yet.

Castle Quotes

Castle: The fact that you even think that breaks my heart. I would walk into a tornado for you, Kate.
Beckett: And I would die if I lost you.

Sometimes the hardest things in life are the things most worth doing.