Most notably, without increasing your protein intake you can't expect to stimulate any significant muscle growth nor lose the desired amount of weight. (fitnessandpower.com)
If you find that you are not losing a pound or two per week, then you should reduce your calorie intake slightly until you are losing the desired amount of weight. (build-muscle-and-burn-fat.com)
Once you lose your desired amount of weight, you then modify your diet to make it a sustainable lifestyle, thus keeping the pounds off. (gymjunkies.com)