If you look down on yourself, then stop it. If you think you are unhealthy and fat and can’t be healthy and fit again, then stop it. These ordinary people will inspire you to achieve the change you are looking for. Nothing is impossible once you decide something to get it.
Look at their before and after pictures, you will find how hard it would have been for them to become what they are now. They used to be fat and now look at them how fit they are. Consistency is the key. They put efforts daily for a long time and achieved their fitness goal and changed their lives. If they can do, then nothing can stop you as well.