'My 600-lb Life' Doug Armstrong shares weight loss, shocking cause of obesity

Doug Armstrong was a morbidly obese man who sought help with weight loss on TLC's "#My 600-lb Life." The father of three managed to lose an eye-popping 220 pounds after bariatric surgery on the reality television show. But the shocking trauma behind Armstrong's obesity is the real eye-opener. Armstrong talked about it in a heart-breaking reveal last episode, and processing and healing that PTSD-like pain meant the difference between weight loss success and failure.  'My 600-lb Life' Doug Armstrong shares weight loss, shocking cause of obesity