- Say, do you realize I might have lost you? Three more days, you'd have been gone.
- Let's not even think about it.
- We might never have seen each other again.

10 seconds sound clip from the Meet Me in St. Louis (1944) movie soundboard.

You can hear this line at 01:35:58.586 in the DVD version of the movie.

Quote context

[...]

- I've imagined you saying it thousands of times. And I always planned exactly how I'd act. I never planned to cry.

- Well, at least you didn't laugh.

- Laugh? I never asked a girl to marry me before. I guess maybe I was kind of...

- Oh, John. No one could have done it more beautifully. I'm very proud.

- Esther, will you? Will you, Esther?

- Of course I will, John.

- Gosh, the time we've wasted.

- Say, do you realize I might have lost you? Three more days, you'd have been gone.

- Let's not even think about it.

- We might never have seen each other again.

- I kept telling myself that even if I did go away, we'd find some way to be together. But I never really believed it.

- When you go to New York, it'll be with your husband. And your folks can show us the town. Meet us at the station.

- Let's go in and tell them now.

- Oh, no. Not tonight. I mean, I'd rather just the two of us knew about it tonight.

- Esther, you're not changing your...? You do feel it's the right thing to do, don't you?

- Oh, yes. Yes.

[...]