Jon looked around the room one final time and made his wish. He looked around and saw a girl in black trousers. "I wish that her trousers would change into a micro-skirt until I willed them back," he said.
But Jon had wished that nobody in the restaurant notice his wishes until he was finished eating. He was in the restaurant, and was affected, so he didn't notice his own wishes. In fact, since wishes normally affect other people's memories anyway, the only one he affected was himself.
As Jon ate his food, he finally decided it was time to make a wish. "I wish that..." Suddenly one of the girls glared at him--he had been staring too longh--and so he continued the wish, "... that until they leave the restaurant, that girl staring at me is a five year old, and those other two girls are her mother and father."
Then Jon forgot the wish again. Eating a few more bites of his Egg McMuffin, he finally for the first time (or so he thought) decided to make a wish. A group of guys had entered, and Jon said "I wish that the guys in here were all girls until they left the restaurant."
This was another mistake, needless to say, but Jon, now a girl, still didn't notice s/he had made a wish.
As Jon ate, every so often she decided she needed to make a wish for the "first time," made the wish, and forgot it. Fortunately, since Jon was just experimenting and put limits on her wishes, there was nothing irreversible. Still, when Jon was through eating, she suddenly remembered all her wishes at the same time, and looked around her. The restaurant was changed by all her wishes--she had made at least a dozen. In fact, what Jon saw was....