Karyn watched as Jon's face suddenly went through a cacophany of poses, ranging from 'Idea!' to 'Damn.' as well as 'Well...'. Finally, he nodded to himself and sat in an upright position.
"Ready?"
Jon nodded determinatedly, Karyn mused to herself that it was like some kind of holy ceremony, where Jon had to psych himself up before actually performing said ceremony. But then, considering the power of the rock, it really could be an event of Biblical proportions... Karyn handed the rock to Jon.
"I wish that I had the unlimited power to change anything about myself however I want to, whenever I want, by concentrating and willing the change to happen for a period of at least two seconds." Jon then took a slightly deep breath to replenish the air he'd used to make the wish.
Karyn raised one eyebrow, "What made you wish for THAT?"
Jon shrugged, "Me changing happens every time, I figured I might as well be the one in control."
"Ah..."