One more tale of two brothers, and de Maupassant on the novel

Pierre et Jean, by Guy de Maupassant, translated from the French by Julie Mead. Why do stories of two brothers—or two sisters—[especially] insist on contrast and comparison? Because they’re knee-jerk, they’re instinctive, they’re human nature? In literature, authors tend to go on the route of fairy tales or parables—if not legitimately or in structure, then [...]