Let's continue on \o
Part II
3.
Natsume is very young and has yet to experienced a lot of things in his life. He slowly matures over his relationships over the course of his life. So,
he is inexperienced when it comes to romantic relationships. It wasn't that he ignored the feelings of the girls who likes him,
but rather he is not a person to take advantage of their feelings and has a balance of every bit of his good relations. He is not to leave a person behind for a whole devotion of another. He has sense of love on all of them.
4.
Natsume was said to be the opposite of his grandmother yet the "same." They both share the looks and have an immense energy, yet took different paths. While Reiko Natsume ignores the people around her and fights ayakashi for their names in the book, Takashi Natsume did the reverse.
One of their distinct difference are their usage of their ability. While Reiko hold her own against different kinds of ayakashi, weak and strong ones,
Natsume can defend himself but relays on other people to save him. He is known to be in danger a lot and while he can fight, sometimes, he was defenseless against some ayakashi. When he can no longer hold his ground, Madara (or Nyanko-sensei as Natsume call him), saves him, or in other cases, other ayakashi and even his friends come and rescues him.
He does get "stronger" as the series progresses, but he isn't going to be like Reiko where he can beat all the ayakashi.
Despite his flaws, Natsume has an overwhelming best qualities that makes him one of the nicest and kindest person you see. Combine everything and he is the most human character.