How to Eat Healthy (without relying on willpower or making life harder)

The psychological factor that shapes your food choices

🏷️ Categories: Behavior, Habits.

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Eating healthy isn’t about willpower; it’s about making healthy choices intuitive.

Most people want to eat better. Even those who already eat fairly well feel they could do better. The benefits of healthy eating are obvious, yet we keep falling into the same harmful patterns: cravings and fast food—whatever is easiest when we’re tired and don’t feel like cooking.

Why is it so hard to eat healthy every day if we all know its benefits?

And above all, how can we make this essential habit easier?

The answer, surprisingly, isn’t about making a firm decision and resisting temptation. It’s about redesigning our environment so that the healthy option is so obvious and intuitive that you don’t even have to think about it.

Eating healthy can actually become very simple.

Image by Ella Olsson on Unsplash

The influence of the environment

Most people believe that changing habits is an internal battle.

We’ve all told ourselves things like “I lack discipline” or “if I really wanted to, I could,” but what determines what you eat isn’t your character—it’s what’s in front of you at the moment you decide, and science has proven it.

• In a hospital, water was moved to be more visible than sugary sodas.
  Result: sodas ↓ 11.4%, water ↑ 25.8%.

• In another case, simply changing the order of items on a restaurant menu led people to choose healthy options 48% more often.

People didn’t change through willpower. No one made an effort to change.

They changed because their environment changed.

Once you internalize this, everything makes sense: you don’t eat poorly because you want to eat poorly. On the contrary, you know the benefits of healthy food and you’d like to be healthier. The problem is that eating poorly is easier—and that’s why you choose it.

You won’t eat healthy until you change your environment.

Make healthy choices intuitive

Let’s use a concept from psychology: response cost.

Response cost is the amount of effort an action requires. If something takes a lot of effort, it has a high response cost, and we’ll do it less often while looking for easier alternatives.

With food, this is obvious:

• If eating fruit takes more time than eating cake, you’ll eat less fruit.

• If there’s no cake at home and there’s a bowl of fruit in the center of the kitchen, you’ll eat more fruit.

• If vegetables are hidden in the fridge, you’ll eat fewer vegetables.

• If vegetables are organized, washed, and visible, you’ll eat more vegetables.

• If cookies are within reach, you’ll eat them whenever a craving hits—without realizing it.

• If you don’t have cookies at home but you do have nuts, you’ll eat nuts.

Change what surrounds you, and you will change too.

That’s why your best allies aren’t motivation or strict diets—just make subtle changes that modify the response cost of your actions. Here are a few ideas to inspire changes based on your personal situation.

6 ideas to change your environment and your response cost

1. Place fruit in a large bowl in the center of the kitchen:
   You probably like some fruits. Put your favorites in plain sight and they’ll become your default snack—just like water instead of soda in the hospital experiment.

2. Keep water at the front of the fridge and get rid of sodas:
   Same effect as with fruit. If the water bottle is right in front, you’ll choose it.

3. Write your grocery list at home and don’t buy anything that isn’t on it:
   Supermarkets are designed to push you to buy what benefits them. That’s why some products are placed at eye level and others aren’t, and why sweets are near the checkout to trigger impulse purchases. But if you go in with a fixed list from home, you decide—not the supermarket environment.

4. Cook in batches for several days and freeze part of it:
   This drastically reduces response cost. Reheating a healthy meal is just as easy—and cheaper—than ordering junk food. You save time and money.

5. Plan your diet and fill it with varied menus:
   If you have to think about what to eat every day, your brain will look for shortcuts. But if you already have four different healthy options planned for each day of the week, eating healthy becomes intuitive.

6. Make your environment eat healthy:
   People influence us as much as objects do. Eating healthy in a household where everyone eats healthy is automatic—and science backs this up. If a friend becomes obese, your risk increases by 57%; the same applies to improving your diet (Christakis & Fowler, 2008).

When your environment works for you, eating healthy requires no effort.

Make changes one at a time

The reason most people fail when trying to eat better is that they try to change everything at once: cut out sugar, cook more, plan their diet, batch cook, stop snacking, buy more vegetables, eat fewer processed foods…

It’s too much. It’s overwhelming.

The key is to change your environment piece by piece, until each part fits without you having to think about it. First you change one thing. Then another. Then another. And before you realize it, everything has changed when you look back.

The natural order looks like this:

Start with what’s easiest: change what you see. A bowl of fruit on the counter. Water at the front of the fridge. No sweets at home. Stick with that for a few weeks. When it no longer feels like effort, change what you buy: make a clear list at home and stick to it. When that feels natural, change what you cook: cook larger quantities and you’ll have three meals ready. And when that flows, the last thing changes on its own.

Your health.

Apply changes.
One on top of another.
Small on top of small change.
Automatic on top of automatic.

When the environment changes, we change.

Want to learn more? Here are 3 related ideas to go deeper:

1. 2 Harvard scientists reveal why we procrastinate (and how to avoid it)

2. The psychological technique that doubles your chances of achieving your goals

3. Simplify your life and organize your environment with this psychological technique

✍️ Your turn: What part of your current environment encourages you to eat worse without you realizing it?

💭 Quote of the day: “It’s all about where it is.” — Neil Gaiman, American Gods

See you in the next letter! 👋

References 📚

1. Christakis, N. A., & Fowler, J. H. (2007). The Spread of Obesity in a Large Social Network over 32 Years. New England Journal Of Medicine, 357(4), 370-379. URL