Expecting perfection is counterproductive. Because perfection is unattainable, expecting it causes frustration and disappointment. But aiming for perfection without ever expecting it is a recipe for success. To aim for perfection, we have to understand what it is. The triathlete’s perfect day has been generally defined. Now aim for it. Control what you can, don’t worry about what you can’t, and take satisfaction in knowing you are achieving the best days you can realistically achieve, even if they aren’t perfect.