Classic!

Paul Varjak: Holly, I'm in love with you.
Holly Golightly: So what?
Paul Varjak: So what? So plenty! I love you. You belong to me.
Holly Golightly: No. People don't belong to people.
Paul Varjak: Of course they do.
Holly Golightly: I'm not going to let anyone put me in a cage.
Paul Varjak: I don't want to put you in a cage. I want to love you.
Holly Golightly: It's the same thing.
Paul Varjak: No it's not. Holly...
Holly Golightly: I'm not Holly. I'm not Lula Mae, either. I don't know who I am! I'm like cat here, a couple of no-name slobs. We belong to nobody and nobody belongs to us. We don't even belong to each other.

Breakfast at Tiffany's - final scene