I glared at him and then grinned, an idea coming to me.
"Your wish was 'trade lives with Jonny' right?" I asked, toying with the stone.
"Umm, yeah..." he replied hesitantly "...why?"
"The exact wording was just to swap lives?"
"Umm, yeah..."
"Then I wish that I would become younger," I said "Ten years old to be exact, while you become older; seventeen exactly."
Mikey's jaw dropped in shock, clearly not expecting me to have found that loophole.