Ah, it's just a letdown. I don't know, I guess it's a kind of an occupational disease with cops.
8 seconds sound clip from the The Big Heat (1953) movie soundboard.
You can hear this line at 00:24:52.710 in the Blu-ray version of the movie.
Quote context
[...]
- Come, Daddy. Help me build the roof.
- You'd better shower. And get some cocktails ready.
- You'll have to use a different tone if you expect me to believe that.
- All right, I'll bring home an affidavit tomorrow if...
- It's all right. You're entitled to let off steam.
- Ah, it's just a letdown. I don't know, I guess it's a kind of an occupational disease with cops.
- You know that girl that phoned, that Lucy Chapman? Well, she's a case now. County homicide.
- It's all right, darling. Daddy will help you build even a bigger one.
- Oh. Let's go see who's phoning us.
- Hello? Yes, it is. Who is this?
[...]