Photo by Pasi Salminen “So often, when you see someone who’s really good at almost anything, it’s because they actually started out exactly the opposite — and then they cared so much about fixing that problem.” — Susan Cain Susan Cain (@susancain) is the author of the bestsellers Quiet Power: The Secret Strengths of Introverts and Quiet: The Power of Introverts in A World That Can’t Stop Talking, the latter of which has been translated into more than 40 languages. Quiet…