According toYouGov, 17% of people give up their New Year resolutions within a month or less.
By two to three months, 21% of people have slid back into their old routines.
Wisdom would have it that a new habit takes 21 days to form and 90 days to stick.

Christopher Churchill
The funny part is that this much-repeated adage is actually a myth.
Thats a marked difference.