Why would anyone do something so absurd-seeming as painting their nails in different colours? Is it for the amusement? Does it provide some kind of immature, perhaps unconscious gratification? What is the motive that sustains the interest in painting one’s nails?
Charmaine, I am simply trying to understand the behaviour, to find an objective, scientific explanation for, far from condemning it!

Suggested Reading:

Motion Before Motivation: The Success Secret That Never FailsMotion Before Motivation, The Success Secret That Never Fails is a Self-Help book grounded in reality. It'll show you how to succeed in the world, as the world really is, not the way we all wish it was. You'll get practical advice to achieve business and personal success.