Well, that's a nice thing to do.

2 seconds sound clip from the Criss Cross (1949) movie soundboard.

You can hear this line at 00:32:56.644 in the DVD version of the movie.

Quote context

[...]

- I'm leaving early. For once in your life, you'll have to get up early.

- Don't worry. I can get up early.

- You'll have to be ready at 6:00.

- I'll be ready, Steve. You know I'll be ready.

- Hello, Mom.

- Well, that's a nice thing to do.

- Make believe you didn't catch me.

- What are you all excited about?

- I'm going out.

- You been going out every night since you got back. What happened? Get yourself a new girlfriend?

- You're my girlfriend.

- Well, that's very sweet. Thanks. But I don't see you taking me to nightclubs and movies lately.

- You got to wait your turn.

[...]