I've seen 14 years old more mature and revengeful than here.
her*
I think the reason why all these lives didn't change her is bc the author did not give a damn and wanted to create artificial drama built on such a fragile foundation that it turns into instant nonesense the moment you think about it for a second-
You know what they say, characters cannot be smarter than their author. It turns into nonsense as she lived so many lives, but gained so little EQ experience points.
Ah, I think the reason why living a thousand lives didn't change her might be because she died before her 20th birthday every time. She would become mature if she lived over 20 in those lives. You see more and hear more as you become older.