You haven't eaten your lunch.
4 seconds sound clip from the An American Werewolf in London movie soundboard.
You can hear this line at 00:26:46 in the Blu-ray version of the movie.
Quote context
[...]
- No!
- What a lot of lovely comics you've got. Do you like them?
- No.
- Right.
- How did he look? Does he seem depressed? Do you think he'll eat his food?
- You haven't eaten your lunch.
- Well, I'm not very hungry, thank you.
- I'm afraid you have to eat something.
- What?
- No, really, thanks, I'm not hungry.
- You put me in an awkward position, Mr. Kessler.
[...]