I was listening to a Tony Robbins seminar yesterday and heard him say “Energy is a psychological habit.” He was speaking of the core skill of pattern recognition, of becoming aware of the emotional patterns in our minds which make us angry, anxious, depressed or conversely energized, hopeful and excited. This phrase challenges one of the most common assumptions we make about ourselves: that energy is something we either have or don’t have, something bestowed by sleep, age, workload, or...