When I was younger, I was painfully shy and overly sensitive. I was always afraid I’d say something to make me look terribly stupid, and it didn’t take much to make me cry. I’m still an introvert and far too sensitive for a forty-something, as I never did grow a thicker skin. (Fact: crying in the business world is generally unacceptable, so if you are thin-skinned, make sure you get a job that gives you an office with a door.) And since I’m still afraid of sticking my foot in my mouth, I’m going to be quiet until I get to know you better. (And if I’m not quiet, I’ve…