Sean Milliken, who appeared on TLC's "My 600-lb Life," has died. Milliken was featured on the show three years ago, during which he spoke candidly about his emotional struggles and how he turned to food as a refuge. At the time, he was confined to a bed and weighed over 900 pounds. According to Milliken's father, Matt, Sean reportedly died of an infection. He was 29. #InsideEdition
