Beyond that, the gratification from accomplishing something is short-lived. If your last book sold a million copies and your new book only sells 500k, you may f

Beyond that, the gratification from accomplishing something is short-lived. If your last book sold a million copies and your new book only sells 500k, you may feel like a failure even though 500k is a lot of books. In some ways, success only adds to the pressure to keep succeeding. This isn't to say you shouldn't try to succeed, but it certainly explains why so many famous or successful people deal with problems like depression and drug addiction.