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Eat food. Not too much. Mostly plants.

The point is that we love to debate minutiae. When it comes to weight loss, 99.99 percent of us need to know only two things: Eat less and exercise more. Only elite athletes need to do more. But instead of accepting these simple truths and acting on them, we discuss trans fats, diet pills, and Atkins versus South Beach.

Junk food, for example, drives our reward systems into a frenzy. After spending hundreds of thousands of years hunting and foraging for food in the wild, the human brain has evolved to place a high value on salt, sugar, and fat. Such foods are often calorie-dense and they were quite rare when our ancient ancestors were roaming the savannah. When you don't know where your next meal is coming from, eating as much as possible is an excellent strategy for survival.

The model for success I described here looks roughly like this: Focus on your diet first and get that right so you have enough energy to want to exercise. Exercise will further improve your energy, and that in turn will make you more productive, more creative, more positive, more socially desirable, and more able to handle life's little bumps.

What this suggests is that there is no single ideal human diet but that the human omnivore is exquisitely adapted to a wide range of different foods and a variety of different diets. Except, that is, for one: the relatively new (in evolutionary terms) Western diet that most of us now are eating. What an extraordinary achievement for a civilization: to have developed the one diet that reliably makes its people sick!

For example, scientists know that your brain triggers the hunger sensation and hunger hormones like leptin and ghrelin when you don't get enough sleep.6 The next time you have one of those days when you can't eat enough to satisfy your hunger, ask yourself how much sleep you got the night before. You'll be surprised at how often a bad night of sleep leads to nonstop eating.

If you look at your life from some distance, you can see that today is a lot like yesterday, and tomorrow won't be that different either. Our lives stay roughly the same, while our moods can swing wildly. My proposition, which I invite you to be skeptical about, is that one of the primary factors in determining your energy level, and therefore your mood, is what you've eaten recently.

food-is-mood

"If/when I see chocolate displayed in the supermarket, then I will think of my diet." Especially for goals we are highly committed to reaching, we'd be foolish not to take advantage of the pre-suasive leverage that if/when-then plans can provide.

Large plates and large packages mean more eating; they are a form of choice architecture, and they work as major nudges. (Hint: if you would like to lose weight, get smaller plates, buy little packages of what you like, and don't keep tempting food in the refrigerator.)

Today when I look at a pile of mashed potatoes, I automatically associate it with feeling crappy in an hour. And if that isn't enough to keep the fork out of my hand, I give myself permission to eat as much as I want of good food instead. The diversion usually works.

also prepare pasta and keep it in the refrigerator, along with veggies steamed in the microwave. When I want something warm and filling, I just mix the veggies and pasta, add some butter, microwave the dish for two minutes, and add pepper and Parmesan cheese. I've learned to use my own laziness in a positive way.

Intuitive eating isn't a means to an end like a diet, but a set of tools and skills to give you freedom from food and to open up the rest of your life outside of food and body worry.

Your tastes will differ, so this is just a template to make the point about how many flavors you can enjoy in a healthy diet. Vegetarian Flavors Soy sauce Cilantro Lemon Salt Pepper Butter (or butter substitute) Garlic Onion Curry Cheese Tomato sauce Salsa Vegetable broth Honey Salad dressings Balsamic vinegar Black-bean sauce Hot sauce

I can eat as much as I want of the foods on this list, which I quite enjoy, and I won't gain a pound as long as I stay active. Bananas Protein bars Peanuts Mixed nuts Cheese Whole wheat pasta Edamame (soybeans) Broccoli Cauliflower Brussels sprouts Fish Lettuce Tomatoes Apples Pears Carrots Radishes Cucumbers Quinoa Brown rice Berries

The Healthy Eating Summary The Simple, No-Willpower Diet System Pay attention to your energy level after eating certain foods. Find your pattern. Remove unhealthy, energy-draining food from your home. Stock up on convenient healthy food (e.g., apples, nuts, bananas) and let laziness be your copilot in eating right. Stop eating foods that create feelings of addiction: white rice, white potatoes, desserts, white bread, fried foods. Eat as much healthy food as you want, whenever you want. Get enough sleep, because tiredness creates the illusion of hunger. If your hunger is caused by tiredness, try healthy foods with fat, such as nuts, avocados, protein bars, and cheese, to suppress the hungry feeling. If you're eating for social reasons only, choose the healthiest options with low calories. Learn how to season your healthy-yet-bland foods.