Like many of her sex, Sophie was fiercely competitive with other women, working on the crackpot theory that if she could be better in some way, men would like her better, respect her. Make her happy. She never cottoned on the fact the men she was attracted to, the men who found her attractive, didn't like women.
They liked variety. And fucking.
He realized [his wife] didn't really like him. (...) When he was nice to her it was to calm her down or to stop her from being upset. Not very good reasons, he thought. He realized now he had been patronizing her for years. "I'm sorry", he said.