Jon wanted to use the stone for a good reason. So, he decided to help Karyn. "I wish Karyn wasn't the one who made her accidental wish yesterday." The stone glowed.
Wishes couldn't be reversed, Jon knew that. But what if someone else made the wish instead of Karyn? They wouldn't change, of course, because they didn't have the stone. And Karyn would be back to normal, because she wouldn't have wished anything in the first place. It made total sense to Jon and when Karyn approached, he was relieved to see that she was back to normal.
"Hey, Jon." She saw the stone in his hand. "You still couldn't fix it, huh?"
"What are you talking about? You're back to normal," Jon said.
"I'm back to normal? Jon, you're the one that changed. I never used that stone."
"What?"
"Don't you remember? You were jealous of Sarah. You wished that you had long blonde hair and big boobs. So that you could get more attention."
Jon looked down. He hadn't even noticed it before. He was so focused on Karyn, wondering if she changed back to normal or not.
She was right. Jon had large breasts and long blonde hair. His wish came true. Karyn wasn't the one that made the accidental wish. He was!
