21 days to build a habit has shown 21 days habits are formed after about 66 days experts it takes about 66 days to develop a new habit experts recent research says it's actually not that simple a misnterpreation of Dr. Maxwell Maltz’s work on self-image másik referencia Research says breaking a habit 66 days to form a habit How Long Does it Take to Form a New Habit? it takes an average of 66 days it takes about 66 days to develop a new habit takes about two months takes at least 66 days 66 days to form a new habit 66 days on average studies claim 66 days 66 days studies have thoroughly debunked the 21-day myth The Huffington Post person’s life experts Maxwell Maltz a minimum of 21 days between two to eight months Some say 66. 66 days a minimum of 21 days huffingtonpost.com wait 66 days takes minimum 21 days to stick 21 days Huffington Post months experts average of 66 days forming a habit The Huffington Post a minimum of 21 days create new habits for at least 66 days habit forming bad advice science has shown longer than 21 day it takes a long time to form a new habit check this article months Research suggests 21 days (or three weeks) form a new habit it takes three months to form a new habit.