In 2015 alone, sales of adult coloring books went from 1 million to 12 million. Why the sudden craze, especially among millennial women?
The “flow” state, commonly known as “getting in the zone,” is the most powerful natural high humans can achieve, involving extreme levels of focus, calm and bliss. Coloring flips an unusually high amount of flow triggers, sending us to the zone more quickly and frequently than other activities.
“I find it calming,” explains my friend Stephanie. “But it still requires focus; you have to commit!” My old boss Mitch even credits coloring with lowering his blood pressure.