Kate Beckett: What girl in her twenties doesn't have a cell phone?Richard Castle: Maybe she's Amish.
Kate Beckett: Since when do you follow rules?Richard Castle: Since I'm the one who made them.
Richard Castle: My little girl is going to college.Martha Rodgers: It seems like just yesterday you were checking under the bed every night, promising her that monsters aren't real.Richard Castle: Well, I lied. Monsters are real. They're the boys in her freshman dorm.Martha Rodgers: Oh, speaking of which, before Alexis leaves, don't you think you should have the, uh, "talk" with her?Richard Castle: You mean the sex talk? Mother, I covered that ages ago. I learned so much.
Richard Castle: Hey, do you know what Lanie and Esposito were fighting about?Kate Beckett: Everything. They both want to be together, but neither of them wants to admit to it.Richard Castle: Ugh! Why do people do that to themselves?Kate Beckett: Maybe they just don't see it.Richard Castle: How could they not? It's so obvious.