"...I wish I had an ice cream cone."
Jon and Karyn waited to see if the ice cream would appear. After a few seconds, Jon broke the silence.
"It's a shame your wish didn't work, I would have liked an ice cream cone myself"
"Why don't you try a wish Jon, the old man did say something about watching what other people say"
"OK," Jon replied, "let's keep this simple. I wish I had an ice cream cone"
Suddenly an ice cream cone appeared in Karyn's hand.
"That's what he meant! You got what I wished for. Which is great and all for you, but how can I wish for something for myself"
"I don't know." Karyn responded, "Maybe if you wish the thing for me."
"It's worth a shot. I wish you had an ice cream cone."
The ice cream dutifully appeared in Jon's hand, and while Karyn and Jon were congratulating each other, two little girls were fighting nearby.
"I wish I was bigger and stronger, than I'd show you Mary"
Karyn grew a couple of inches taller, while putting on extra muscle mass.
"Let's get out of here Jon! My clothes are really uncomfortable now, and I'm afraid what someone else might wish."
"No problem Karyn, I can fix that right now. I wish..."