Adding Friction: Making the Unwanted Habit Take One More Step
The behavior you want to stop is currently free. No decision, no effort, no gap between the impulse and the doing.
Friction is the practice of putting something in that gap. Not a barrier that defeats you, which is impossible on your own home turf, but a delay long enough that a decision has to happen.
That distinction is the whole technique, and getting it wrong in either direction is why most attempts at this fail.
What friction is actually for
It is not there to stop you. You can undo anything you set up. You know the password, you know where you put the thing, and the barrier is one you built.
It is there to convert an automatic action into a decision. An automatic behavior runs without you. A behavior that requires one extra step involves you, briefly, and that brief involvement is where the choosing happens.
Whether you then choose to do it is a separate question, and quite often you will. The gain is that you noticed. Our article on friction covers the general mechanism, and it also records something worth carrying into this page: several of the pages ranking for this territory quote a specific percentage reduction from adding a delay, with no study, author or journal attached. That number is not repeated here, in any form, because nobody has produced it.
Where to put it
Friction works best as far back in the chain as possible, before the behavior has begun.
At the cue. The best position, because the cue is what starts the sequence. If the trigger is an object in your line of sight, moving it out of sight is friction applied before anything has started.
At the access point. The step that begins the behavior. Where the thing is kept, how it is reached, how many actions are between you and it.
At the setup. If a behavior requires something to be ready, and it is not ready, that is a delay.
And least effectively, at the moment itself, which is willpower with extra steps and it is the position most advice puts it in.
The general shape: the earlier the friction, the less of you it costs.
What good friction looks like
Small. One step. Moving something to another room. Putting an object in a drawer. Removing something from a home screen. Unplugging something. Storing something somewhere that requires standing up.
Physical rather than mental. A rule you have to remember is not friction, it is a rule. Friction is a change to the world that persists when you are not paying attention.
Permanent, or at least not requiring daily setup. A barrier you have to rebuild every morning will be rebuilt for four mornings.
And paired with reduced friction on the alternative. Both directions at once. Removing a step from the thing you want and adding one to the thing you do not is a considerably stronger intervention than either alone.
What bad friction looks like
Too large. A barrier that genuinely blocks you produces resentment and then gets dismantled, permanently, along with your willingness to try again.
Aimed at the wrong point. Friction applied at the moment of temptation is competing with an urge, which is the fight you were trying to avoid.
Dependent on you enforcing it. A rule about when you are allowed to do something is not friction.
Or applied to a behavior that is doing a job you have not replaced. Removing an outlet without addressing what it was for produces a gap, and something will fill it. What a replacement has to match is covered separately on this site, and it is worth doing before or alongside this rather than afterwards.
The three-step version
1. Find the cue. Not the feeling, the observable trigger: a place, an object, a preceding action, a time. This site covers the logging method for that separately.
2. Add one step between the cue and the behavior. One. Not five.
3. Remove one step from whatever you would rather do instead.
Then leave it for a week before deciding whether it worked, because the first two days of any environment change are noisy.
When friction stops working
Two things happen over time and both are normal rather than a sign of failure.
You adapt. The extra step becomes part of the sequence and stops being a pause. This is the same automaticity process that made the original habit automatic, applied to your barrier.
The response is to change it rather than to add more. A different barrier restores the interruption; a bigger version of the same one usually just gets removed.
And a context change resets everything. A new home, a new job, a new schedule takes both the habit and the friction out of the situation they were built for. Walker, Thomas and Verplanken, in Environment and Behavior in 2015, measured staff at a UK charity for nineteen months before their office moved town and then afterwards, and found automaticity weakened as a slope across weeks even for people whose behavior had not changed. Our article on why a habit you had for years can disappear covers what that means, and the same mechanism works in your favor here: a move is the cheapest opportunity to rebuild the environment deliberately.
The limits, stated plainly
Friction is a behavior-design technique for ordinary habits. It is not a treatment for anything, and it is not what is used for substance dependence, for eating that has stopped feeling like a choice, for compulsive behavior, or for a behavior being used to manage a mood.
Where a behavior is in that territory, adding a delay does not help and it adds a failure. This site has a separate page on where that boundary sits and who answers those questions.
And no product is required for any of this. This article names none, deliberately. The interventions above are all changes to where things are and how many steps are between you and them, and none of them costs anything.
Frequently asked questions
How much friction should I add?
One step, and a small one. Moving something to another room, putting an object in a drawer, taking something off a home screen, unplugging something. A barrier that genuinely blocks you produces resentment and then gets dismantled permanently, and it takes your willingness to try again with it. The delay is not there to defeat you, it is there to turn an automatic action into a decision.
Does adding a delay cut the behavior by a measurable amount?
Not by any amount anyone has established. Several pages ranking for this topic quote a specific percentage reduction from adding a short delay, with no study, author or journal attached to it. That figure is not repeated on this page in any form, because nobody has produced it. What is defensible is the mechanism: an extra step involves you briefly, and that brief involvement is where the choosing happens.
Where in the sequence should the friction go?
As early as possible. At the cue is best, because the cue is what starts the sequence, so moving a trigger object out of sight applies friction before anything has begun. Next is the access point, meaning where the thing is kept and how many actions sit between you and it, then the setup. Least effective is friction at the moment itself, which is willpower with extra steps, and that is where most advice puts it.
My barrier stopped working. What now?
That is expected rather than a failure. You adapt, and the extra step becomes part of the sequence instead of a pause, which is the same automaticity process that made the original habit automatic applied to your barrier. The response is to change the barrier rather than to enlarge it, because a different one restores the interruption and a bigger version of the same one usually just gets removed.
Do I need an app or a device for this?
No, and this page names none deliberately. Every intervention described here is a change to where things are and how many steps sit between you and them, and none of them costs anything.
The one-line version
Put one step in the gap, as early in the sequence as you can, and take one step out of the alternative. Then expect to change it in a few months, because you will get used to it, which is the same thing that produced the original problem.
For the wider picture of how a habit hangs on its context, our article on cue and environment is the place to start.