- It can't be like the first time. Something's happened.
- I know it has. It's happened to us.

9 seconds sound clip from the Double Indemnity movie soundboard.

You can hear this line at 00:24:24 in the DVD version of the movie.

Quote context

[...]

- I knew you wouldn't leave it like that.

- Like what?

- Like it was this afternoon.

- I must have said something that gave you a terribly wrong impression. You must never think anything like that about me.

- Okay.

- No, it's not okay. Not if you don't believe me.

- What do you want me to do?

- I want you to be nice to me. Like the first time you came to the house.

- It can't be like the first time. Something's happened.

- I know it has. It's happened to us.

- I feel as if he was watching me. Not that he cares. Not anymore.

- He keeps me on a leash so tight I can't breathe.

- He's in Long Beach, isn't he? Relax.

- Maybe I oughtn't to have come.

- Maybe you oughtn't.

[...]