In episode six, we meet Guy Poingdestre, a 52 year-old bus driver whose weight has reached 32 stone. At the moment he cant stop eating Kentucky fried chicken. He says he has a psychological compulsion to overeat. As a result of Guys weight, he also suffers from sleep apnoea, a condition that stops his breathing when hes asleep. Guy has spent years trying to diet and has sometimes been successful. He achieved a weight watchers plaque when he was 37, for losing 8st and managing to get down to 13st. But success with diets has always been short-lived