Getting younger!

"I know. I wish that Jon and Karyn both became three years younger, only being freshmen not juniors at school."
Sarah would have liked to have made them younger, but she wanted to be able to see them everyday at school as she slowly started more making changes in their lives.
How that both Jon and Karyn had lost a few years of age, Jon was closer to Karyn's size as he had grown taller and larger in the just the last two years.
But, something about Karyn looked odd; her breasts looked too large for her age. I fact, Sarah remembered that both her and Karyn had only gained most of their breast size in the last two year. What was going on here with Karyn? Was it something to do with the stone?
"I wish I knew what wishes Jon and Karyn had made." As the new information entered Sarah's mind she nearly broke out laughing over Karyn's stupid wish, while at the same time realizing just how easy it would be to make a dumb wish herself. She decided that she would make a wish too protect herself.
"I wish that any wish made on the wishing stone that would adversely affect me would not work."
Now to make one more wish on Jon and Karyn and I will see how that plays out at school tomorrow.
"I wish that