9/11/2018 How Long Does it Take to Form a Habit? Backed by Science. https://jamesclear.com/new-habit 1/7 JAMES CLEAR How Long Does it Actually Take to Form a New Habit? (Backed by Science) by James Clear (staging.jamesclear.com/about)????| ???? Behavioral Psychology (https://jamesclear.com/behavioral-psychology), Habits (https://jamesclear.com/habits) Maxwell Maltz was a plastic surgeon in the 1950s when he began noticing a strange pattern among his patients. When Dr. Maltz would perform an operation ? like a nose job, for example ? he found that it would take the patient about 21 days to get used to seeing their new face. Similarly, when a patient had an arm or a leg amputated, Maxwell Maltz noticed that the patient would sense a phantom limb for about 21 days before