This is an interesting thing about the mind: we bring Olympic athletes and ask them to run their program only in their minds, and then associate them with sophisticated biofeedback equipment. Remarkably, the same muscles are fired in the same order when they run the race in their minds like when they run it on the track. How could this happen? Because the mind cannot distinguish whether you really do it or whether it's just exercise. If you've ever been there, you will go there in the body. "