By Kelly Hockenberry, Columnist, The Times I have an embarrassing confession. (How many times have I revealed pieces of myself to you, the reader? Countless. Yet, I still manage to show my face in public.) In high school, I kept a clothes diary. Yep, I did (vapid as it may seem). An elaborate, daily log of what I wore (including accessories) so as not to repeat for as long as possible. I had an...