'My 600-lb Life' Sean Milliken weight-loss update: How's 900-lb 25 y/o doing?

There are many weight-loss success stories on TLC's "My 600-lb Life." Reality TV viewers follow the bariatric surgery patients on Facebook and await progress reports. One young man, Sean Milliken, is often asked about. Sean was the show heavyweight, weighing over 900 pounds by age 25. Sean's update aired recently and TLC and uncovered a shocking story of success and failure. After losing one third of himself, Sean is still bedridden. He's dying from obesity and one other surprise killer.    'My 600-lb Life' Sean Milliken weight-loss update: How's 900-lb 25 y/o doing?