2. What I eat every day matters most. Worry less about what you eat over the holidays and concentrate on what you eat year round. If you have a healthy diet in general, a couple of days of celebratory food won't be detrimental. If you don't usually eat well, make that a goal in the new year. Remember: The holiday season is short-lived. In life, there will always be times when you can't make your usual healthy choices — and that's okay. Enjoy these special moments focusing on friends and family.
3. I have the power to control my portions. Only you can decide how much food to eat, and that should be based on listening to your body. Slow down and notice how your stomach feels before you start eating. If you're still hungry, have another bite. But when you're almost full, stop eating.
4. I have the right to eat seconds or say "no thanks" when full. Remember, you don't need to make someone else happy by overeating or by denying your hunger. It's the norm to eat more when a host graciously offers more, but it doesn't need to be. Have faith in your ability to make good choices, and trust your appetite.
5. It's normal to overindulge in the holidays. It's human! Accept that you did and move on. Try not to become trapped in punishing self-talk or restrictive dieting behaviours. When you eat mindfully and enjoy every bite, it can take less food to satisfy cravings. So enjoy some of your favourites, but listen when your body tells you you're done.
6. I will eat when hungry, not when I'm emotional. Many of us eat when we're lonely, bored, sad or stressed, and those emotions can run wild at holiday time. Even the stress of being with certain family members can trigger people to overeat. There are more effective remedies for dealing with these feelings besides food. The answer is different for everyone. Take time to learn what works best for you.
7. I don't need to "healthify" my beloved and traditional holiday recipe. Enjoy your favourites as they should be — it's just once a year! Really — no one wants sugarless sugar cookies or eggnog made from almond milk and flaxseeds.
8. I promise not to comment on the size, shape or weight of friends and relatives. Their weight is their business. The same is true for you — no one has the right to judge you or comment on your weight either. And if you are met with a rude comment about your appearance, it's fine to tell someone why it's not okay to talk about your weight.
9. I will enjoy quality time with people I love. A very long-term (75-plus years) study at Harvard has been examining what makes people happy over the course of their lives. And guess what? It's not a number on a scale or how many cookies they eat. Close relationships are the key to long-term health and happiness. So this year, mark the holidays by spending time with people you love, and try not to fret too much about what you will have for dinner.
• Cara Rosenbloom is president of nutrition communications firm Words to Eat By.