This is so much less fun than the other night at your place.

Castle: You believe me?
Beckett: I never stopped.

Did I throw a party and forget again?

Whoever did this...he liked it.

Who puts a body on the ceiling?

We're Caskett. Which is good since the whole murder thing!

Why do people care about Brangelina?

Suspects tend to hold back on stuff like that.

Beckett: I can't help but wonder how many other girls have gotten this tour.
Castle: I'm not going to deny that I have brought other women up here. But, none of them were you.

Beckett: So, you rich or something?
Castle: I'm not James Patterson rich, but I do ok.

You're in a room full of detectives and not one of them has a clue.

Castle: I so wish I could kiss you right now.
Beckett: Yeah, I know.
Castle: This is me, softly touching your face, pulling you in for a long slow kiss.
Beckett: This is me, kissing you back, running my fingers through your hair.

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.