For Larry, a second weight loss surgery would mean a second chance at a career as a gospel recording artist. But a beautiful singing voice doesn't pair well with a 600-pound eating habit. If Larry can't make the choice to change, then no one can help him.

Growing up in foster care, David suffered from a lack of attention and didn't develop a sense of self-worth. Now he weighs 800 pounds, and he's relying on his favorite foster mom to support him as he finds the motivation to change and save his own life.