Oh, come on, Bruce... all alone in this big mansion... Haven't you ever thought about marriage? Even once?
8 seconds sound clip from the Batman: Mask of the Phantasm movie soundboard.
You can hear this line at 00:06:48.835 in the Blu-ray version of the movie.
Quote context
[...]
- Thinking of... Looking up some old friends?
- Oh, Arthur, don't start that again.
- Oh, never say the M word in front of Bruce. It makes him nervous.
- Bruce?
- Oh, it's awful. Bruce. Bruce.
[...]