The 21-Day Rule of Building Habits is a Lie
On using human nature to build better habits.
7 min readAug 3, 2019
Everyone’s heard of the golden habit-forming rule: it takes just twenty-one days to force yourself to build a good, new habit, drop a bad one, or to accidentally pick one up.
It’s easy to understand why this sticks in people’s heads: three weeks is long enough to make the “sacrifice”…
