The Power of Positive Self-Talk

"I am shocked that we are at this stage of evolution in society where self-talk is actually considered to be an effective thing," he says. "You can tell yourself that you are great, but what is your mind going to say back? When your mind speaks back and tells you that that is right ... who is voice do you think wins?" 'These are the most fascinating conversations I have ever had,' CNN's John Sutter adds.