Probably not a true story but…
The shadchan tells the guy wonderful things about the girl and oh, by the way she’s heavily medicated.
“What’s she on?” the guy wants to know.
“They never told me”, replied the shadchan. “Here’s an idea, when you go to pick her up ask to use the restroom and check the medicine cabinet.”
So he goes to pick her up, asks to use the bathroom and when he opens the door to the cabinet a few hundred marbles came crashing out.
He didn’t end up taking her out. (Last time I heard this story, about 7 years ago, he was still in the bathroom.)