He was filling bags of brown rice when a pale, wispy young woman opened the door to the co-op. She stopped just inside the doorway, her eyes drifting vaguely. “I’m looking for a man,” she said.   Unsure just what she meant, he ventured a joke of sorts. “Here I am,” he replied, “if you don’t mind one or two grey hairs.”   And that should have been the end of it once she answered him back. Instead she just stood there looking as if she would wilt. He left his work behind him and brought her a chair.  …