I understood when I saw both of you together in the office. I watched the way he looked at you.

5 seconds sound clip from the The Strange Love of Martha Ivers movie soundboard.

You can hear this line at 00:59:28.399 in the Blu-ray version of the movie.

Quote context

[...]

- Don't say it like that, Sam. Not to make me feel good, but because it's true.

- All right, it's true. We were just a couple of kids.

- We're not kids now.

- No, Martha, we're not kids. No time for dreams.

- Only one dream, Sam, and it came true. You're here.

- So is Walter.

- About Walter and myself...

- Don't tell me.

- I want you to understand.

- I understand, Martha.

- I understood when I saw both of you together in the office. I watched the way he looked at you.

- Sam, if you stay in Iverstown...

- Well, I'm not staying in Iverstown.

- I'm sorry. Sorry that you ever left here.

- Sam, for old time's sake?

- Yeah. Sure. For old time's sake.

- Bye, Martha.

[...]