Greg doesn't believe in premarital intercourse.
4 seconds sound clip from the Animal House (1978) movie soundboard.
You can hear this line at 00:18:57 in the Blu-ray version of the movie.
Quote context
[...]
- But that does not relieve you from your responsibility for this material.
- Now, I'm waiting for reports from some of you.
- Listen, I'm not joking. This is my job.
- Come on, Mandy, honey. You know I'd tell you.
- Are you and Greg doing the dirty deed or not?
- Greg doesn't believe in premarital intercourse.
- Too bad.
[...]