3 words, 8 letters

Chuck: Please don’t leave with him.
Blair: Why? Give me a reason… and “I’m Chuck Bass” doesn’t count.
Chuck: ‘Cause you don’t want to.
Blair: That’s not enough.
Chuck: ‘Cause I don’t want you to.
Blair: That’s not enough.
Chuck: What else is there?
Blair: The true reason I should stay right where I am and not get in the car. Three words. Eight letters. Say it… and I’m yours.
Chuck: I… I …
Blair: Thank you. That’s all I needed here.

Lovethem!