You don't have to tell me.

3 seconds sound clip from the The Grifters movie soundboard.

You can hear this line at 01:42:28 in the Blu-ray version of the movie.

Quote context

[...]

- You'd be stuck in some other part of the rackets with another Bobo Justus to slap you around and burn holes in your hand.

- If you can't change your life now, when you're still relatively young, how could you do it when you're say... crowning 50?

- This way you gotta go the square route.

- Send me a card when you got settled, I could maybe help you out sometimes.

- What if I told you I wasn't really your mother? That we weren't related?

- What?

- You'd like that, wouldn't you? Sure you would.

- You don't have to tell me.

- Now, why would you like that, Roy?

- What're talking about? Of course you're my mother. Of course you are.

- There's nothing more to talk about.

- I want that money, Roy. I need it. What do I have to do to get it? You mean, you won't give it to me, Roy?

[...]