David Blaine is a famous magician however when he doesn’t do magic, he works as a self-described endurance artist. He has done several feats involving willpower rather than illusion. One of the endurances that he performed was standing for thirty-five hours more than eighty feet above New York’s Bryant Park, without a safety harness. Similarly, he also spent sixty-three sleepless hours in Times Square encased in a giant block of ice. Likewise he had performed much such endurance in his life by breaking the comfort zone with lots of practice. For an example, he’d spent more than a year preparing for his feat by learning to fill his lungs with pure oxygen and then remain immobile under water, conserving oxygen by expending as little energy as