This video is unavailable because we were unable to load a message from our sponsors. If you are using ad-blocking software, please disable it and reload the page. Embed Code Restart Playing WATCH MORE VIDEOS FROM THIS EPISODE > Darin was bullied his entire life and his weight climbed to 545 pounds. Darin shares how he lost 400 pounds without surgery. Check out the incredible surprise The Doctors have in store for him. ShareTweet
