Paleo and Willpower

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What is willpower? At the most basic level, it’s obeying your rational mind (the part that understands things like long-term consequences and abstract ideas of right and wrong) over your drive for getting pleasure and avoiding displeasure right now. When you drag yourself out of bed on Monday morning, you’re prioritizing the long-term good of keeping your job over the immediate pleasure of sleeping in. More simply, willpower is the power to make yourself behave a certain way even though you don’t want to.

The typical story about sticking to a diet (Paleo or otherwise) goes something like this: dieting is primarily an exercise in willpower. It means you have to be constantly fighting against your desire for unhealthy but pleasurable foods, so it’s a test of your moral strength. People who “have willpower” deserve praise for winning the battle; people who “don’t have willpower” deserve shame for losing it. The corresponding assumption is that thin people must have willpower, while fat people obviously don’t – otherwise, they would be thin.

Every part of this idea is wrong. First of all, willpower isn’t some absolute quality that you “have” or “don’t have;” it’s a skill that you have developed or have not developed. Secondly, successfully avoiding junk food and choosing healthy food instead is only very indirectly related to willpower – thin people aren’t thin because they have the iron self-discipline needed to lock horns with every temptation and win. Nobody can do that. Maintaining a healthy lifestyle depends much more on avoiding the need for willpower in the first place.

Willpower is a Skill

A famous study from the 1960s asked four-year-olds to resist eating a marshmallow for 15 minutes, with the promise of getting two marshmallows at the end if they made it: a classic test of short-term vs. delayed gratification. The kids who failed sat there staring directly at the marshmallow, but the kids who succeeded used a variety of strategies to distract themselves from it (“strategic attention allocation,” in researcher-speak). They stood in the corner of the room, covered their eyes, or otherwise stopped themselves from looking at the marshmallow. Other kids who succeeded on similar tests counted, sang songs, or played with their hair.

The kids who had the willpower to resist that marshmallow succeeded because they behaved differently. The same researcher who devised the original marshmallow test, also found that when he taught the children some distraction strategies, even the kids who failed the first test could hold out for 15 minutes. Their “willpower” was really a learned behavior, not an inborn character trait. So it’s absolutely not true that some people just “have willpower” and other people don’t. Some people have learned willpower, and other people have not.

Successful Diets Minimize the Use of Willpower.

Knowing that willpower is a learned skill and not some mysterious inborn quality gives the lie to one common diet myth – that we’d all be able to eat healthy all the time if only we “had enough willpower.” But that doesn’t mean that we can all be successful at the willpower model of dieting if we just learn enough strategies and tricks.

Mostly, this is because willpower is exhausting. In fact, it takes food energy just like using your muscles – specifically, willpower runs on glucose. After doing a task requiring willpower, our glucose stores are low. On the other hand, ingesting glucose helps improve willpower: in one study, subjects who drank sugar-sweetened lemonade performed better on self-control tasks compared to subjects who drank lemonade sweetened with Splenda. This creates an impossible situation for willpower dieters: to avoid food, they need willpower, but to get willpower, they need food.

Think of your reserves of willpower like a bank. You can make “deposits” into your bank by doing things like eating, sleeping, and doing activities you enjoy. You make withdrawals from the bank every time you have to force yourself to do (or not do) something using willpower. And there’s only one bank – resisting the urge to snap at your boss, choosing unsweetened tea when you really wanted Coke, and forcing yourself to stay focused at work instead of checking Facebook all deplete your available willpower for the day, leaving you with less strength available to stick to healthy food come dinnertime.

Dieting by willpower alone relies on constantly withdrawing from this bank (resisting temptation), without making enough deposits (food) to balance it out. It’s simple math. If you subtract more than you add, you’ll end up with nothing left.

So how do people actually manage to stick to Paleo or any other diet? It’s not because they can somehow make 2 – 3 = 5. It’s because they know how to avoid using their willpower in the first place. Your life is not a marshmallow experiment. You don’t need to set yourself up for this kind of head-to-head confrontation between your will and your temptations. To win the war, avoid the battle.

How to Avoid Relying on Willpower

Willpower is a battle between the present and the long-term. It’s just human psychology to give more weight to things that are right in front of our noses, so we use willpower to make up the difference between the strength of our immediate desire and the strength of our long-term goal. That gives you three options for reducing your use of willpower: prevent the conflict entirely, increase the power of the long-term goal, or decrease the power of the short-term goal (so you need less willpower to make the long-term as compelling as the short-term).

Prevent the Conflict:

  • Build habits. Making any kind of decision decreases your reserves of mental energy: this is called decision fatigue. Car salespeople take advantage of this all the time – one study revealed that a good salesman could make customers spend $2,000 more on optional customizations, just by exhausting them with choices beforehand. Making healthy behaviors habitual means you don’t need to use up your reserves of willpower making the decision to do them. If a morning walk is part of your daily routine, you don’t have to expend energy deciding to go: you’re out the door and on the road automatically.
  • Avoid temptation. If it’s not in front of your nose, you’re much less likely to even be thinking about it in the first place. Get junk food out of your house, and try to minimize the amount of time you have to spend even thinking about stuff you’re trying not to eat.

Make the long-term goal easier and more compelling:

  • Eliminate passive barriers to healthy food. Passive barriers are things that make your life harder by not existing or being difficult to get. For example, if all you have in the fridge is ground beef, but you don’t know any recipes with ground beef, that’s a passive barrier to eating healthy, because it makes cooking more difficult. Passive barriers force you to use willpower to overcome them: it’s tempting just to take the easy and unhealthy option (in this case, ordering takeout), and even if you push through the resistance, your willpower is weakened for the next challenge. Common passive barriers include:
    • Not knowing what to cook with the ingredients you have. To prevent this, use meal planning so you’ll know exactly what you’re going to cook with your groceries, or make a habit of sitting down right after you shop to find and print out some recipes.
    • Dirty dishes. We’ve all done it: the sink full of day-old pots and pans is just too much to handle, so we end up replacing an actual meal with random finger foods scrounged from the fridge. To prevent this, make washing up the dishes part of your after-dinner routine (again, make it a habit: no willpower required) so they’re always clean and waiting for the next day.
    • No kitchen tools, or tools that are difficult and unpleasant to use. If you hate all your equipment, you’re not going to want to cook with it! The solution: pick yourself up some new kitchen basics. In the long run, it’s less pricey than constantly spending money on takeout food, and Goodwill and other thrift stores have dirt-cheap options for the truly broke.
  • Cook ahead. One night a week, cook double what you usually would, and freeze the extras in single-serving containers. Then, when you stumble in the door after a long day at work, you don’t have to conjure up the willpower to cook an entire dinner from scratch instead of ordering pizza. You just have to throw your container in the microwave. You’ve turned the healthy choice into the easy choice, avoiding the use of willpower.
  • Remind yourself of your goals. The more compelling you can make your long-term desire, the less willpower you need to close the gap between the long and the short term. Leave reminders of your goals all around you – the background picture on your phone and computer screen, photos on your desk, or a quote tucked into your wallet.

Make the short-term temptation more difficult and less compelling:

  • Create passive barriers to unhealthy food. Arrange your life so the behaviors you’re trying to avoid require willpower. Get rid of takeout menus and take the numbers out of your phone. If you’re running a quick errand and you don’t need money, leave your cards and cash at home so you can’t possibly be tempted to stop for junk food on the way – you wouldn’t be able to pay for it. Or take just as much cash as you need and leave everything else. The more difficult it is to make bad choices, the less you have to rely on willpower to avoid them.
  • Build a Distraction Toolbox. Take a cue from the successful marshmallow-resisters and put together a “toolbox” (physical or digital) of things to distract yourself with when you’re having a craving. This helps reduce the pull of the immediate pleasure, making it easier to balance out with the knowledge of your long-term goals. It might include a book, a crossword puzzle, a Rubik’s Cube or another similar toy, a silly computer game, or anything else that grabs your attention. Get this all together before you need it, so it’s ready to hand when temptation strikes.

Cat and fish

How to White-Knuckle When you Have To

A straight-up battle of your willpower vs. junk food is a last resort, but sometimes you just do have to handle a tray of cookies or a buffet line full of cheesecake. Fortunately, since willpower is a learned skill, you can get a lot better at it with some simple strategies.

  • Recharge Your Reserves. Get enough sleep. Eat enough food – just make it good food. It’s better to eat a little bit more healthy food at breakfast than to be so starving by 11:00 that you cave to a plate of donuts. If you know you’re going to be at an event where you’ll have to resist something, don’t go in hungry!
  • Build your muscles, but don’t overtrain. Willpower is often compared to a muscle – if you work out too hard without refueling or recovering, you’ll crash, but moderate exercise with adequate recovery can actually help make it stronger. Some studies have demonstrated that people who “practiced” using their willpower on small changes did better on self-control tests. If nothing else, successfully completing one willpower task can make you believe you can do it (see the tip below).
  • Believe in yourself. One recent study showed that people who had been primed to believe in their own willpower demonstrated more of it. The researchers in charge pointed to this as evidence against the “resource depletion” model of willpower, but this isn’t necessarily true – even the willpower believers in the study didn’t perform as well on a second test of willpower as on the first. So they still showed evidence that their willpower was being depleted, but that depletion was decreased by believing in their own abilities.
  • Meditate. People who meditate regularly have more gray matter in their prefrontal cortex, the area of the brain responsible for willpower.

Conclusion

Sticking to Paleo isn’t about building up your willpower to some hypothetical point where you can tackle the modern food environment head-on and win. Don’t just sit there staring down the marshmallow. Sometimes you might have to rely on willpower alone, but in the long run, finding ways to minimize your need for self-control is much more effective than trying to defeat all your temptations by sheer force of will.

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