No, it doesn’t take twenty-one days to form a habit.

And here are eight factors that accelerate or delay automation.

Photo by Drew Beamer on Unsplash

You may have heard that it takes twenty-one days to form a habit.

Sure, in the 1950s, a plastic surgeon named Maxwell Maltz found that it took amputees around twenty-one days to stop feeling their phantom limbs and adjust to their new…