Leifer
Senior Member.
Implanted memories, and focussing on any lucky coincidence. They basically (deliberately or not) schooled him into believing he was reincarnated.
Parents feed their children's interests. The child does not drive to air-shows and air museums on his own....the parents take them there.
Nor does the child somehow contact the media, proclaiming his supernatural abilities or claims of a re-incarnated life. Those are the parents at work.
Balloon Boy