I need help, for about a year now my 15 year old boy has become very lazy, all he does is lie around on the sofa all day and gorge himself with food. This has also made him quite fat, to the point where his clothes dont fit properly and he gets out of breath easily. The doctor has told me he is obese and dangerously unhealthy but no matter what I have tried he wont stop. Does anyone have advice to get him off the sofa and not eating so much?