Buchio realizes that the source of his fear is loneliness, and learns the importance of living in the here and now. Jiro reveals the sad memories he's kept locked up inside in his efforts to avoid worrying Mutsumi.
That's right. You don't 
know loneliness yet, do you?
هذا صحيح. لا تعرف الوحدة بعد، صحيح؟
Genau, Buchio-kun. Du kanntest
Einsamkeit bisher noch nicht.
Así es. Todavía no conoces
la auténtica soledad, ¿verdad?
Así es. Todavía no conoces
la soledad, ¿verdad?
C’est ça.
Eh, già.
Exatamente. Você ainda não sabe
o que é solidão direito, né?
Да. Ты ведь ещё не испытывал
это чувство?