In the summer of 2015, broke and defeated after two years of failing at my first startup, I moved out of my Boston apartment and back home to Mom & Dad's. With the pressure of rent and food no longer plaguing me, I had time to reflect on the previous years from both a business and personal standpoint. Where did I go wrong? What could I have done better? I decided to start reading and experimenting more with diet and exercise, maximizing productivity,...