"Of course we are," said Jon.
After all, the wish had magically made Jon be attracted to people like Mike. Karyn, even without breasts, was still a woman in other ways. And besides, the first wish made Mike be Jon's girlfriend. Jon would never want to break up the pair of himself and Mike before Mike had done any girlfriend-like things with him.
"Jon, can I borrow the stone?" asked Karyn.
"Karyn, you're going to use it to change me so that I don't like Mike. Then we're going to go out with me not liking him. Do you really think that's better?"
"Well, er, no, but..."
"Then it's settled!"