I wouldn't be in too much of a hurry about that. A couple of weeks of heavy eating and those pants will fit perfectly.
5 seconds sound clip from the The Best Years of Our Lives (1946) movie soundboard.
You can hear this line at 01:10:19.651 in the Blu-ray version of the movie.
Quote context
[...]
- Is this all the cream there is?
- Fine situation when a man can't get enough to eat in his own home.
- Too big. Gives you an idea of what the war did to my waistline.
- You holding your stomach in?
- I'll have to take my clothes to Wyndham and Briggs, and get them altered.
- For me? If it's the War Department, I'm out.
- Who?
- Oh.
- Hello? Oh, yes, Mr. Milton. Yeah, it sounds good to hear yours. Yes.
[...]