Yeah, because I'm a lonely, miserable, unhappy man.
4 seconds sound clip from the White Christmas (1954) movie soundboard.
You can hear this line at 01:34:04 in the Blu-ray version of the movie.
Quote context
[...]
- Excuse me, Judy. It's for you from Betty. She gave it to Grandpa at the station.
- You ought to be horse-whipped. First you, and then you, and then you again.
- Gee whiz, Bob, I only did it for your own good.
- Yeah, because I'm a lonely, miserable, unhappy man.
- That's right, and when you're unhappy, I'm unhappy.
- Oh, no. You're not gonna start again with that life-saving bit.
- Well, I told you, I don't expect any gratitude.
- I'm not even sure you saved my life. Sometimes I wish the wall had fallen on me.
[...]