What does Mr. shiftlet's treatment of lucynell at the end reveal about his intentions all along

Mr. Shifflet's abandonment of Lucynell is not a surprise. In the beginning, Mr. Shifflet's interest in the car foreshadows his intentions. He takes advantage of Lucynell's adoration and uses it to con the women out of their car. He has no care for anyone except himself as can be seen by the story about his parents.