Do we worry too much about what we think others see? By Kelly Hockenberry, Columnist, The Times How often do you look in the mirror during the course of a day? Twice?  Ten times?  One hundred? I’ve never actually taken the time to count.  But, I think it’s safe to say that I do it a MINIMUM of ten times.  I wake up, fix my hair, and put on make-up.  I go to the gym and workout (mirrors...