How is Gene's reaction to Leper when he goes to see hime in his home related to his internal conflict?

In Leper’s home, Gene listens to his stories about the indoctrination of war into these boys. Gene becomes upset, not for just Leper but for his own illusions about life. Leper goes from a gentle nature loving person to an anxiety ridden mess. Gene realizes that, despite Finny's assertion that they could stave off adulthood, the perversion of adulthood is inevitable.