Why don't you call it off?
2 seconds sound clip from the Knock on Any Door movie soundboard.
You can hear this line at 00:56:38.716 in the Blu-ray version of the movie.
Quote context
[...]
- What I need is somebody to slug some sense into me! Know anybody that's big enough?
- Oh, Nicky, how can you say that?
- Nothing's the matter, only don't talk like that.
- You can't believe in me no more, Emma. You can't.
- Only, Nicky, you've got to keep believing in yourself.
[...]