What are you thinking about?
4 seconds sound clip from the Gone with the Wind (1939) movie soundboard.
You can hear this line at 02:53:20 in the Blu-ray version of the movie.
Quote context
[...]
- Well aren't you gonna kiss me goodbye?
- Don't you think you've had enough kissing for one afternoon?
- Oh, you're impossible. You can go and I don't care if you never come back.
- What are you thinking about?
- I'm thinking about how rich we are.
- I can keep the lumber business too, can't I?
- Yes, of course you can, if it amuses you.
- But you were the main one I wanted to go to the devil.
[...]