Introverts need to trust their gut and share their ideas as powerfully as they can.

INTROVERTS are especially vulnerable to challenges like marital tension, a parent’s death, or abuse. They’re more likely than their peers to react to these events with depression, anxiety, and shyness. Indeed, about a quarter of Kagan’s high-reactive kids suffer from some degree of the condition known as “social anxiety disorder,” a chronic and disabling form of shyness.

Solitude matters. And for some people it's the air they breathe.

Indeed, your biggest challenge may be to fully harness your strengths. You may be so busy trying to appear like a zestful, reward-sensitive extrovert that you undervalue your own talents, or feel underestimated by those around you. But when you’re focused on a project that you care about, you probably find that your energy is boundless.

Naked lions are just as dangerous as elegantly dressed ones

Your tendency to be inward-directed or outward-directed is huge; it governs every part of the way you live and work and love.

We know from myths and fairy tales that there are many different kinds of powers in this world. One child is given a light saber, another a wizard's education. The trick is not to amass all the different kinds of power, but to use well the kind you've been granted.