One way to help set a healthy boundary is to encourage employees to think of a “good day’s work.” Look at your progress toward the end of the day and ask yourself: “Have I done a good day’s work?” Answering that question is liberating. Often, if the answer is an easy “yes,” you can stop working feeling satisfied that something important got accomplished, if not entirely “done.” And should the answer be “no,” you can treat it as an off-day and explore the Five Whysfn1 (asking why to a problem five times in a row to find the root cause).