Yesterday I watched a woman sitting in front of the bank across the street. She caught my eye because she was rubbing her legs furiously, wincing as her fingers moved up and down her shins. When she dipped a plate in water and poured it over her legs I thought perhaps she was washing her body, but when she started talking to people who were not there, I knew the truth. She was mentally ill. I sat on the floor of the balcony and hid behind a chair as best I could, but it wasn't because I was afraid she would see me. My presence would not interrupt the party she was having with her imaginary companions. She was perfectly content pouring water over her legs, picking leaves off the hedges, and handing both to the figments of her imagination. I was just awed…and a little jealous of her ability to be completely ambivalent to others. You see, I spend a lot of time worrying about what other people think. I have an idea of the person I want to be and how I want others to see me. So...