Paula Hawkins’ New York Times bestselling novel, The Girl On The Train, gives us Rachel – a girl obsessed. There’s no question this novel is a mind bending murder mystery par excellence. But, for me as a psychoanalyst it poses a more interesting question. What’s behind Rachel’s obsession? Rachel Watson rides the train every day. She rides - as if she has a purpose. She used to have a life. Now she has nothing. She rides past her old neighborhood where the life she lost took place – the only happy life she ever had. She watches Jason and Jess; at...