" One myth that has become established in the self-development arena is that it only takes 21 days to form a new habit. This simply isn’t true in all cases. Sometimes it takes a shorter time, sometimes a longer time, and sometimes old habits are so hard to break that new ones never take hold. "

― Gudjon Bergmann , Yes! You Can Manage Stress: Regain Control of Your Life Using the Five Habits of Effective Stress Management