One Piece: Who to Fight With?

Why did Akainu become a naval admiral step by step from a coward, why did Aokiji fall from a righteous navy to a pirate, is Kizaru an undercover agent of the revolutionary army or a guardian of justice in the navy, what is hidden behind the three generals? Is it the distortion of human nature or the loss of morality? Is it a sexual explosion or the helplessness of hunger? Please pay attention to the CCTV1 channel at 8 o'clock tonight, the road of no return of the three generals. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.