In Charles Duhigg’s book, The Power of Habit, the idea of the habit loop was a quintessential part of the narrative. The idea of the habit loop is that every habit is made up of three essential parts, the cue (or trigger), the routine, and the reward. For me, the idea led to a simplified concept of how habits form. In this article I will talk about the three separate parts of the habit loop and also address how to create new habits or replace old habits using the idea of habit loops.
The Cue, Routine, and Reward
The cue is the trigger that tells your brain to go into cruise control (automatic mode) and ushers a specific routine. The cue can be a person, place, thing, or even emotion. I had a gambling problem for a few years and my cue was both emotional and locational. My emotional cue was when I worried about money. My locational cue was whenever I drive by a casino.
The routine is the second part of this three-part loop. The routine is an action that can be mental, emotional, or physical. This is what really makes a habit, a habit.
The reward is what makes doing the routine worthwhile, in your brain’s opinion. A reward may not seem like a “reward” on its surface, especially if your habits cause you financial, physical, or emotional pain. But your brain thinks of it as a reward; and rewards are what keep habits going. It’s that shot of endorphins (a “feel-good” chemical) you get every time you perform the routine. The reward is what helps your brain figure out if this loop is worth remembering and repeating in the future. Runners who get “runner’s high” actually get a shot of endorphins after a run—that’s the reward. Gamblers get the same chemical reaction in the brain when they gamble. Even the act of checking your e-mail can give someone the same shot of endorphins, even though doing so does not feel like a form of reward.
Breaking the Habit Loop and Creating New Habits
You can never really eradicate habits, per se. This partially explains why it is so hard to create new exercise or eating habits. Once you develop your routine of flopping on the couch after work and unhealthy eating, these neurological patterns remain inside the head, and never really go away. However, what you can do is build new neurological patterns that overpower old neurological patterns. If we can build a routine to exercise right after getting off of work instead of flopping on the couch, then the routine of exercising will often win the battle.
The inability to completely eradicate habits also helps us explain why extended vacations can sometimes wreak havoc on our new habits. Being on vacation for a couple of weeks allows your old unhealthy habits, such as eating junk food and not exercising, to surface and potentially overpower newer competing habits. This happens when the new habits have not developed a deep enough pattern in the brain and when you fall back into old habits during vacations. Vacations are horrible enablers.
The lesson here is that you can disrupt a habit by replacing the routine in the habit loop, while keeping the same cue and reward. That is how you “break” habits. You keep the cue and the reward essentially the same; all you have to do is replace the routine. For instance, if you want to quit smoking, instead of smoking (the routine) when you have a craving brought on by stress (the cue), you can go for a jog instead or talk to someone. And similarly, if you want to start a new habit, all you have to do is create or identify a cue that will initiate a routine.
In the illustration below, we get to see the old habit loop of an alcoholic. In the picture to the left, we see the cue is stress, which leads to the routine of alcohol use, leading to a reward of relaxation and feeling better. In the picture to the right, we keep the cue and the reward the same, but we just change the routine, and thereby breaking the habit of resorting to alcohol to solve problems.
With that said, identifying a cue and reward is often not enough to create a habit. Only when your brain begins to crave and expect this reward or a sense of accomplishment (the endorphins) does a new habit truly form. So only when you crave the runner’s high will running truly become an ingrained habit. Research says it takes 66 days to create a new habit but I say do it until you begin to crave the reward. It’s easy after that.
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