How could you do this to me, and why should you go now that, after it's all over, and I need you?

7 seconds sound clip from the Gone with the Wind (1939) movie soundboard.

You can hear this line at 01:28:46 in the Blu-ray version of the movie.

Quote context

[...]

- But they're running away.

- Oh no. They'll turn and make a last stand if I know anything about them. And when they do, I'll be with them.

- I'm a little late, but better late...

- You must be joking!

- Selfish to the end, aren't you? Thinking only of your own precious hide, but never a thought for the noble cause.

- How could you do this to me, and why should you go now that, after it's all over, and I need you?

- Why? Why?

- Why? Maybe it's because I've always had a weakness for lost causes once they're really lost.

- Or maybe... Maybe I'm ashamed of myself. Who knows?

- You should die of shame to leave me here alone and helpless!

[...]