21-Day Habit Rule: The 1960s Myth That Sets You Up to Quit
The 21-day habit rule is a myth. Traced to 1960s surgeon Maxwell Maltz, real research shows habits take about 66 days—and often far longer.
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The 21-day habit rule is a myth. Traced to 1960s surgeon Maxwell Maltz, real research shows habits take about 66 days—and often far longer.
