Change of plans

"No, I was planning on making her my sister for the summer but that's a better idea" Jon said excited. "But wishes can't be reversed, how could you become her" Sara asked. "And is this what you really want? Do you want to be a girl?" Karyn asked not hiding the disappointment in her voice. "No nothing like that but this has been eating at me, I need to know what my life would have been like if I where Zoe" Jon said. "What 'bout our memories? If we keep 'em you wont get the full story but if we forget how will you know to turn back" Biff added. "Funny you should mention that, I had an idea about that" Jon said pulling out the stone.