"I wish you would like having your bigger breasts," he said, right before the stone glowed. Jon figured that if he couldn't reverse Karyn's previous wish, he could at least make her more comfortable with it.
"That's your wish? To make me like having these melons?"
Jon was confused. Why hadn't it worked? Karyn certainly didn't like having them, as her ranting indicated. So what happened?
What Jon didn't realize was that, since it was the Random Stone, the wish was granted to someone else. But who in his house was it granted to?