Sure. All men think that.
4 seconds sound clip from the When Harry Met Sally... movie soundboard.
You can hear this line at 00:20:49 in the Blu-ray version of the movie.
Quote context
[...]
- You go dancing, you do the white man's overbite...
- How long do I have to lie here and hold her before I can go up and home? Is 30 seconds enough?
- That's what you're thinking? Is that true?
[...]