- I think I should have married you, Agnes.
- Ooh! Watch it. I play for keeps.
- I'm serious.

7 seconds sound clip from the Halloween III: Season of the Witch (1982) movie soundboard.

You can hear this line at 00:12:08.342 in the Blu-ray version of the movie.

Quote context

[...]

- Hundred milligrams, Thorazine. I.V.

- Who's next?

- Nobody. Except for him, it's a quiet night.

- I could use a nap.

- Doctor's lounge is empty.

- Wanna take one with me?

- Pillows are in the cabinet and there's milk and cookies in the fridge.

- I think I should have married you, Agnes.

- Ooh! Watch it. I play for keeps.

- I'm serious.

- What are you doing in here?

- A man... A man just, just... A man just... He just...

- All right, all right.

(Car explosion)

(Car burning)

[...]