A Book Review of “How Self-Control Works, Why It Matters, and What You Can Do to Get More of It” by Kelly McGonigal — The book is written by psychologist Kelly McGonigal, based on a course he taught at Standford on the science of willpower. He divides willpower into 3 factors. The first being “I will”, the second “I won’t”, and the third “I want”. They are sort of like distinct personalities, and they…