I thought I'd better stay.
3 seconds sound clip from the The Time Machine (1960) movie soundboard.
You can hear this line at 00:18:37 in the Blu-ray version of the movie.
Quote context
[...]
- Happy New Year! Happy New Year!
- You shouldn't have troubled yourself. I'm all right.
- You've been behaving oddly for over a month now.
- I'm not leaving here until you tell me what's on your mind.
- I appreciate the gesture. I just want to be left alone, that's all.
[...]