I don't know what to think anymore.
2 seconds sound clip from the Stalag 17 movie soundboard.
You can hear this line at 01:32:26.149 in the Blu-ray version of the movie.
Quote context
[...]
- All right, who wants the Queen of the May?
- How about you, handsome? You look like Cary Grant. You want to dance with me?
- I'd love to, Queenie, but, well, one of the other girls asked me first. Bye, darling. Bye.
- Any cigars left, Cookie? Come on, Cookie, get me a cigar.
- What's the matter? You on their team now? You think I'm the guy?
- I don't know what to think anymore.
- It's sort of rough. One American squealing on other Americans.
- Why not? Just one of the boys. Sharing our bunks, eating our chow.
[...]