If you knew what she was like, you'd run off, too.
5 seconds sound clip from the Bronco Billy movie soundboard.
You can hear this line at 01:41:02 in the Blu-ray version of the movie.
Quote context
[...]
- Whenever a patient of mine has an hallucination, I try confront them with the facts of life.
- What on earth are you doing here?
- You mean he really is your husband?
- What'd you run off and leave her for?
- If you knew what she was like, you'd run off, too.
- You mean you really are Antoinette Lily?
- Well, who else would she be? Would somebody mind tell me what's going on here?
- I'm afraid I might have to call the authorities.
[...]