You will be able to write implementation intentions and set realistic expectations for building a new routine.
You decided last month to plan each day before opening email. For four days you did it. On the fifth, a client called at 8.45am, you skipped it, and by the following week the habit had quietly gone. Most people have a graveyard of habits like this: the daily plan, the weekly review, the morning focus block, each started with good intentions and dropped within a fortnight.
The intention was never the problem. What was missing was a specific plan for when the habit happens, along with a realistic idea of how long it takes to stick, and this lesson gives you both.
Peter Gollwitzer, a psychologist at New York University, has studied for decades the gap between intending to do something and doing it. His best-known contribution is the implementation intention, a plan written in a specific form: if situation X happens, then I will do Y.
The difference from an ordinary goal is precision. "I'll plan my day more" is a goal. "If I sit down at my desk in the morning, then I will write my one most important task on paper before I open email" is an implementation intention. It names the situation that triggers the action and the action itself, clearly enough that when the situation arrives, the decision is already made.
Gollwitzer's work, and a 2006 meta-analysis he published with Paschal Sheeran, found that people who form implementation intentions are more likely to follow through on their goals than people who only set the goal. The reasoning is that the plan links a cue in the environment to a response, so the cue starts to prompt the action without much deliberate effort. You don't have to remember to plan your day. Sitting down reminds you.
If-then plans also work for obstacles. "If a client calls before I've planned the day, then I'll plan it straight after the call, before email." Marcus wrote one for his focus block: "If an escalation takes my 10am block, then I'll move the block to 3pm that day." He had already worked this out in lesson 4.4. Writing it as an if-then plan made it automatic.
The best cue is something that already happens every workday without fail, like sitting down at your desk, making your first coffee, or leaving the last meeting of the day.
Tie the new habit to that cue: "After I sit down with my coffee, I open my task list." "When I close my laptop for the day, I write tomorrow's most important task on a sticky note." "When the train leaves Tanah Merah, I check my calendar for tomorrow."
The more specific and reliable the cue, the better. "In the morning" is vague, since mornings vary. "After I put my bag down at my desk" happens at a particular moment every working day. For hybrid workers, you may need two cues, one for office days and one for home days, because the routines differ.
Keep the action small too, at least at first. Lesson 6.2, Make starting smaller than your excuse, applies here. "Open my task list and choose the most important task" is easier to make automatic than "plan my whole day in detail".
Popular advice often quotes a neat, short number of days for a habit to form. The evidence says something messier, and more useful.
The best-known study on this was published in 2010 by Phillippa Lally and colleagues at University College London. They asked 96 volunteers to choose a new daily behaviour, such as eating a piece of fruit with lunch or going for a run before dinner, and to track it for twelve weeks. They measured how long it took for the behaviour to feel automatic.
The median was about 66 days. More useful than the median is the spread: some people got there in under three weeks, others were projected to need more than eight months, and some behaviours never became automatic within the study. Simpler behaviours tended to become habits sooner than complicated ones. Missing a single day did not seem to set people back in any lasting way.
The practical lesson is to be patient and to expect the habit to feel effortful for weeks, maybe months. If you start a planning habit on Monday 2 November, 66 days takes you to 7 January, and your own habit could arrive well before or well after that date. Don't treat a missed day as failure. Use the if-then plan to restart the next day.
You may have heard of ego depletion: the idea that willpower works like a fuel tank, so every act of self-control drains it and leaves you weaker for the next one. It was popular in psychology and in productivity writing for years.
It has not held up well. In 2016, a large replication study run across more than 20 laboratories, organised by Martin Hagger, Nikos Chatzisarantis and colleagues, found an effect close to zero. The debate is not entirely closed, and researchers still argue about why some studies found effects, but the simple fuel-tank story should not be treated as settled science.
This matters for how you plan. If you believe your willpower runs out by afternoon, you may give up on hard tasks after lunch without trying. Energy does vary across the day, as module 7 covers, and tiredness is real. But habits built on cues and if-then plans rely less on willpower in the first place, which is the reason to use them.
Pick the planning or focus habit you most want to keep from this course, and find the cue it should hang on.
Write one if-then plan that links a new planning or focus habit to a cue you already have every workday.
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