"By Making A Game Out Of Rejection, A Man Conquers Fear"

"...Without knowing it, Jason had used a standard tool
of psychotherapy called exposure therapy. You force
yourself to be exposed to exactly the thing you fear,
and eventually you recognize that the thing you fear
isn't hurting you. You become desensitized. It's used
in treating phobias like fear of flying ..."
http://www.npr.org/blogs/health/2015/01/16/377239011/by-making-a-game-out-of-rejection-a-man-conquers-fear