"I can't even imagine myself with a penis," Jon said. "It's just too weird."
"But you are a boy, right?" Karyn asked. "I mean, your whole body minus your pussy looks male, right?"
"Well, I suppose. But that's mainly because my breasts haven't developed yet, among other things." Jon's eyes went wide, as he thought of something. "I can use the stone!" he said, excitedly.
"Huh?" Karyn asked, not understanding where Jon was going. Jon was still a guy in Karyn's mind. But to Jon, he always thought of himself as a "she". The stone was his big chance to make himself the beautiful girl he had always wanted to be.
Jon grabbed the stone from Karyn, and before she could stop him, he said "I wish ..."