If this is going to be a serious discussion, and suddenly I'm terribly afraid it is, you're going to have to take off that ridiculous mask, or else I'm going to have to wear one, too.
13 seconds sound clip from the Breakfast at Tiffany's movie soundboard.
You can hear this line at 01:21:26 in the Blu-ray version of the movie.
Quote context
[...]
- Hi, cat. Lady of the house at home? Holly?
- You're crazy. You know that, don't you? But I love you anyway.
- 2-E. I've got to talk to you.
- What's the matter? Girl trouble? Is that it, darling? Oh, I see. Well, that's not so serious.
- As a matter of fact, I've been expecting it. I can't say I like it, but I've been expecting it.
- Hasn't got anything to do with her. This is between you and me.
[...]