What's wrong with you? I asked myself. You are a happy person. You are an upbeat sort of person. Men smile at you on the subway, women ask you what shampoo you use. Cheer up for Christ's sake, I told myself, relax, you're fine, be happy, Girl. When I talk to myself I call myself Girl.

I loved Duncan and I loved being his mother but I wasn't sure I was prepared to be only his mother. Before we were even married, when Russell and I had gotten our dog, Humbert, I had walked him early one morning, and as I stood on a line for coffee, someone had offered him a dog treat. "I always ask the mommy first," she said, looking at him expectantly. "Oh, I'm not his mother," I said, "I'm just his...friend," and she looked at me with complete contempt. "You're his mother," she had scolded, "Poor dog.