Blog
Habits
Plenty has been written about habits and very little of it is checkable, with most of the well-known numbers traceable to a retelling of a book from 1960. These pieces lean on what was actually measured: how long automaticity takes, whether a missed day matters, and why a streak counter punishes people far more than one lapse deserves.
The 21-day habit is a retelling, not a finding
Where the number 21 came from, what Lally's 2010 study found about 66 days, and why one missed day does not break habit formation even though it breaks your streak counter.
Learn moreThe two-minute rule: what it is and how it works (there are two)
What the two-minute rule is and how it works: David Allen's version is about small tasks, James Clear's is about habits. They point in opposite directions.
Learn moreHow to stop forgetting birthdays: a four-step system
Why birthdays slip past even organised people, and how to set reminders so you have time not only to send a greeting but to prepare a present.
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