Think of the last time you were at your best and working in the zone. Now compare that to all the time you’ve spent just going through the motions. How would you quantify the difference between the two in terms of how you felt and what you produced? Would you rate it as a 5% difference. . . a 50% difference? Most people would describe the gulf between those two states of being as vast—as deep and wide as the Grand Canyon. For quality of experience, engagement, productivity, a