Patricia Highsmith underwent psychoanalysis in an effort "to regularize herself sexually" so she could marry Brandel. The analysis was brought to a stop by Highsmith, after which she ended her relationship with him. After ending her engagement to Marc Brandel, she had an affair with psychoanalyst Kathryn Hamill Cohen, the wife of British publisher Dennis Cohen and founder of Cresset Press, which later published "Strangers on a Train". To help pay for the twice-a-week therapy sessions, Highsmith had taken a sales job during Christmas rush season in the toy section of Bloomingdale's department store. Ironically, it was during this attempt to "cure"
What Was Lost Was Lost" was the winner in the first novel category of the Costa Book Awards. O'Flynn received a £5,000 prize. It was short-listed for the overall Costa Book of the Year Award. The Costa Book Awards' judging panel, chaired by Joanna Trollope, praised the novel for "blending humour and pathos in a cleverly constructed and absorbing mystery." They described the novel as inventive, compelling, and poignant. "What Was Lost" was long-listed for the 2007 Man Booker Prize and the Orange Prize for Fiction. It was short-listed for the Guardian First Book Award. It won the Jelf Group First Novel Award