Books like The Secret to Not Drowning

How did a girl who dreamed of being a Charlie's Angel become such a cowed and submissive woman? On the surface Marion's life seems fine, but she is controlled and bullied by her husband; her only 'freedom' is a weekly visit to the swimming baths. When a chance meeting with an old school-mate develops into a secret friendship, Marion is reminded of the person she used to be. And might still be, if she leaves her domineering husband. But is it too late?