This factor is very important, because one must believe in himself beforehand that he was able to do so.
Starting something new is not easy, sometimes it can be one significant obstacle. But if you've managed to start and get good results, then one would not want to return to the past.
No one can succeed without the support of the people around it. Doing weight-loss program together can provide more maximum results, because he has people who care and will continue to motivate him when he was down.
Body like what is wanted? Make your body healthy and happy life as a goal.