CM Punk has shed light on what he feels is the hardest part of life as a professional wrestler, and it has little to do with the physical battles in the ring. Instead, Punk says it is the struggle of separating his personal life from his public persona when fans cross boundaries. He emphasized the divide between CM Punk, the character, and Phil Brooks, the individual behind the scenes. “One of the hardest parts of being a WWE Superstar for me, at least, is the relationship I have with fans in public. You see me on the street, I am not CM Punk.