How Habits Take Hold, and How to Loosen One

Most of what we do each day runs on habit. Understanding the simple loop behind a habit makes it easier to build good ones and to weaken the ones we regret.

A habit is a routine of behaviour that is repeated regularly and tends to happen without much conscious thought. That is what makes habits so useful. Nobody wants to deliberate over brushing their teeth. It is also what makes unwanted habits hard to shift: by the time you notice, you are already doing the thing.

The loop

A popular way of describing a habit, made widely known by Charles Duhigg's book The Power of Habit, breaks it into three parts:

1. Cue. Something that triggers the behaviour: a time of day, a place, a feeling, a notification.
2. Routine. The behaviour itself.
3. Reward. What you get from it, whether relief, pleasure, a sense of completion or simply the end of boredom.

It is a simplification, but a practical one. It gives you three places to intervene instead of one.

Work on the cue

The easiest change is often to the cue. If you reach for your phone every time you sit on the sofa, putting the phone in another room removes the trigger. If you snack whenever you pass the kitchen, a different route through the house helps. This sounds trivial, but it is far easier than relying on willpower at the moment of temptation.

Swap the routine, keep the reward

If a habit meets a real need, deleting it tends to leave a gap. A more reliable approach is to work out what the reward actually is and find a different routine that delivers something similar. A late-evening scrolling habit may really be about winding down; a short walk, a book or a call to a friend can meet the same need.

Building a habit you want

• Attach it to an existing routine: "after I make coffee, I write down today's three tasks."
• Make the first step very small, so it is hard to skip.
• Make it easy to start: put the running shoes by the door.
• Notice the reward deliberately, even if it is only the satisfaction of having done it.

Be patient with yourself

Habits form through repetition, and the time this takes varies a great deal from person to person and from habit to habit. Missing a day does not undo the work. What matters is returning to the routine, not keeping a perfect record.

Written by Juno Prentiss · revised 2026-11-09