"You can't really tell, can you?" giggled Karyn. "I'll give you a hint; its physical." Not really mythological though Karyn. But it does fit the fantasy part, at least.
Jon, or rather Jen, as she believed she was named, looked into the mirror. She saw the same thing she always saw: an attractive teenage catgirl, with brown hair, modest b-cup breasts, kitty ears on the top of her head and a tail sticking out of her denim skirt. She was even wearing the same top.
"Well, you certainly didn't give me bigger boobs," said Jen. "Even Zoe has bigger boobs than I do."
"Well," said Karyn, holding up the stone, "we can always change that part, at least."
"So, are you going to tell me or not," asked Jen, starting to get annoyed. Karyn was toying with her, she KNEW it. Karyn knew that keeping secrets from catgirls screwed with their heads, made them want to find out even more. Stupid curiosity!
"I'd like to see if you can guess, first," said Karyn. "I know it drives you nuts, but I'd like to see if people can reason out what has been changed if they know that a wish has been made but don't know what it is. Now, let's go exploring, shall we?"