yeah it's best if you totally change the way you approach food and the body. constantly educate yourself on efficient exercise and why certain foods are healthier than others. If you're forcing yourself to do something, you're not doing it right. Good diet and exercise should be a knee-jerk reaction because you've prepared your mind to want it, and once you get used to healthy food, it's like your taste buds kick in for the first time. you won't want salt or sugar and the tasty complexities of simple foods come out because you have a more discerning palate. Make it an intense hobby, or an obsession.