Here's a simple rule to take control of your life. Entrepreneur Mark Cuban says you have to outwork your competition, or they'll put you out of business. Work is a priority, but family, free time and mental health should be too. Reflecting on that, Justin Bariso thought back to the times he started working for himself and how his workdays got longer and longer until he felt a change was desperately needed. Here, he discovers how the "rule of clocking out" works to avoid burnout and makes the most of your free time.