These sites are just tools to help you track your food and weight. They also offer support from others going through the same thing. The real motivation to lose has to come from you. You have to put in the hard work. Find a good caloric intake that will help you lose. Track all your food honestly. Drink you water. Get plenty of lean protein, lean dairy, fruits and veggies. Watch your processed food intake (tons of sodium). Get active! Exercise is very important to help lose, heart, tone up, build muscle and keeping the weight off. Good luck!