Most readers owe the failure of Scarlett and Rhett' love to Scarlett, but the author holds that Rhett should also take the responsibility. The behavior that Rhett carrys out the strategy of detour and with - drawal kills the love between Scarlett and Rhett. The author finds that the motive of success is stronger than the mo- tive of avoiding failure in the Rhett' heart based on the theory of achievement motivation of Atkinson, which is the internal cause of Rhett' s love behavior. At last, the author of this paper discusse...