Truly, coloring books can sell well in the adult industry. Here, one might ask why grown-up women and men are so keen to color mandalas, zentangles, animals, famous paintings, glucose sculls, patterns, doodles and other elaborate coloring graphics. The solution is straightforward. It's all about anti-stress effects of coloring which enable us to discover lots of calmness, to decrease anxiety and also to attract more mindfulness. Thus, have a crayon, relax in order to find your zen from the madness of adult life.
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