Cover; Half Title; Title; Copyright; Contents; Introduction to the Transaction Edition; Author's Note: Theme and Variations; Part One A Psychologist Looks at Love; I Love or Whatever It Is; II Origin and Nature of Love; III The Widening Circle; Part Two Masochism in Modern Man; Introduction; I Phenomena; II Dynamics; III Sexes; IV Victory Through Defeat; Part Three The Unmarried; I The Chip on the Shoulder; II The Marriage Shyness of the Male; Part Four The Emotional Differences of the Sexes; Introductory Note