I'm not even sure I'll be in.
2 seconds sound clip from the Meet Me in St. Louis (1944) movie soundboard.
You can hear this line at 00:08:25.338 in the DVD version of the movie.
Quote context
[...]
- I'll get George Briggs to bring him to Lon's going-away party on Saturday.
- Rose. Esther. The water's hot. If you're going to wash your hair, you'd better do it now.
- We're eating early, you know.
- All right, Mother. Guess why we're eating early.
- Proposes? I don't see why you assume Warren is going to propose to me.
- Well, why else do you think he's calling you long-distance? Do you know what it costs?
- I'm not even sure I'll be in.
- The moment I saw him smile I knew he was just my style.
- My only regret is we've never met though I dream of him all the while.
- But he doesn't know I exist no matter how I may persist.
[...]