Is it really 21 days to form a habit?

adicionou um novo artigo Productivity

2026-05-18 20:09:47 -

Is It Really 21 Days to Form a Habit? The “21 days” idea is one of the most persistent myths in behavior change. It shows up everywhere: self-improvement books fitness advice productivity content casual motivational talk It sounds clean. Precise. Easy to remember. But habits don’t respect clean numbers. And more importantly, the origin of the...

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