Chew a piece of sugarless gum right after a meal....particularly if you WANT more food. 10 minutes later, your mouth thinks it ate the food, your stomach caught up with the food you DID eat so you are full, and your teeth get a brisk cleaning.
To get over the plateau and keep your metabolism reved up.
its good to do low calories for 5 days and then 2 days a week increase your calorie intake by like 500 and then decrease it on your other days, so never let your metabolism adjust! This is a secret athletes use all the time!