If I'm pale, it's your fault. Not because I've been missing you, but because...
6 seconds sound clip from the Gone with the Wind (1939) movie soundboard.
You can hear this line at 03:25:39 in the Blu-ray version of the movie.
Quote context
[...]
- You mean you're going away again?
- What perception, Mrs. Butler. Right away.
- In fact, I left my bags at the station.
- Oh.
- You're looking pale. Is there a shortage of rouge? Or can this wanness mean you've been missing me?
- If I'm pale, it's your fault. Not because I've been missing you, but because...
- It's because I'm going to have a baby.
- Indeed? And who's the happy father?
- You know it's yours. I don't want it any more than you do.
[...]