You're a good number, Liz.
4 seconds sound clip from the The Philadelphia Story movie soundboard.
You can hear this line at 01:18:48 in the Blu-ray version of the movie.
Quote context
[...]
- Well, home after a hard day's blackmailing.
- When are you going to telephone Kidd?
- In time to get him here for the wedding.
- Why?
- Sort of wedding present... if it works.
- No. Mike's only chance to ever become a really fine writer is to get fired.
- Oh, I just photograph well. I'm certainly out of focus now.
- A swim?
- Sure. Tracy and I always took a swim after a party.
- Did you? Bet it was fun. I'll have to try it with Mike sometime.
- Ah, it's risky though. Suppose another girl came along in the meantime?
[...]