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Use the Next 21 Days to Test Habit Automaticity
After the initial 21 days, stop deliberate acquisition and assess which habits now occur automatically; do not add new habits until the current set has become reflexive and sustainable.
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“After 21 days, you stop engaging in this 21-day deliberate four to five things per day type schedule and you simply go into autopilot. You ask yourself, how many of those particular habits that I was deliberately trying to learn in the previous 21 days are automatically incorporated into my schedule?”
Andrew Huberman · The Science of Making & Breaking Habits | Huberman Lab Essentials · Dec 4, 2025 · 30:11 · YouTube ↗
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