Medical/diet expert and host of VH1's Celebrity Fit Club, Dr. Ian Smith says that losing weight is 80 percent mental and 20 percent physical.  Being unprepared mentally is the first and biggest mistake people make when they begin their weight loss programs.  In this edition of A Closer Look: Train Your Brain and Lose Weight, Dr. Ian shares some key points that are foundational in training your brain for successful and lasting weight loss.