12. Drink lots of water. This will help you feel fuller. Aim for 64 ounces daily, more in hot weather or if you've been exercising, and help your body rid itself of toxins.

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13. Order restaurant meals with confidence. Most restaurant portions are easily double what the average person should eat at one meal. Split a dish with a companion or ask your server for a container as soon as your dish arrives so you can put half away immediately.

14. Sidestep saboteurs -- politely. Your nice colleague brings you a plate of her mouthwatering homemade pralines, knowing that you love them. Thank her for thinking about you. If you absolutely must have one, save it for your coffee break as a special treat. And when your nice colleague isn't looking, slide the rest of them into the trash.

15. Know when to say when. It takes about 20 minutes for your stomach to tell your brain that it's had enough. Eat slowly, put your fork down between bites, and learn what feeling full feels like.