I liked this conclusion because Yuuga might have successfully reflected on and realised many of his errors, but he's still very much what he is. He's trying to do things differently, but he's still doing it his way. He's the hero, so he basically has to have a certain kind of mentality and personality to be able to cope with the mental burden of being a hero. I talked about it in the past, but a hero needs to have a certain kind of simplistic black and white view of the world, he needs to get along with more or less everybody without arrogance, and generally speaking be pretty naive. He's all that and needs to remain so or he'll stop being a hero.