I never knew that there is a long last friendship between Freud and Jung, and I never knew that Freud once though that he has only 12 years of life left and wanted to find a successor.
I never knew that he was scared. He was afraid of that "anti-Semitism, associated with public disgust at his ideas on infantile sexuality could result in a widespread rejection of psychoanalysis." Thus he was hoping Jung's Swiss Christian identy can safe the fate of psychoanalysis.
Where does the young man's energy, determination, and commitment come from? It comes from his languid boyhood. He only returned to school for his families' sake, but he never belonged.
I bet Freud didn't know the young man's childhood. He didn't want to know that they were both afraid.