Accidental wish by someone else

"I wish," he said, his hands trembling, "that when the conditions of the following wish, which will for a while change my life, I will return to my own body, the body of Jon Gibson, with this wishing stone still in my possession." His cock was now rock hard in anticipation to what he was about to do. "I wish, that After I leave the stone on the kitchen counter, nobody but me will be able to see it as long as it's there, and that somebody will accidentally make a wish while touching it, that person will not notice that there wish was granted and I will even if i didn't here it.