Why do women write more letters than they post?

Synopsis

Why do men tend to keep love letters in files along with their other correspondence, whereas women keep them with their clothes? And if a letter is written but not posted, at whom is it really directed? As psychoanalyst darian leader shows, such questions go to the heart of sexual desire, which is never addressed to our flesh and blood companion, but always to something beyond him or her. In an engaging, at times startling, enquiry into the fundamental loneliness of each sex, leader asks why relationships frequently run aground on the trivial question, 'what are you thinking?