Wow these are great point,s I'd love to see that now both as a big Marco fan and for the reasons you gave too. I see him as a permanent ally/GF commander or something at least in future. The SHs do have a doctor already, so I can't see Marco joining for that reason but I would love it to happen still.
:cheers:

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He's definitely jealous of Oden, I've always had that impression. It's like BM being jealous of Lola having her own independence and freedom imo (although that may be sketchy).
Oden lived and died with honour and as a brave warrior that was widely loved and widely remembered too. He was iconic. He got an amazing, self sacrifical death that nobody else has been able to compare to.
Flash foward to the present (well the past now lol) to where WB died and he too died selflessly, with honour and thus died a hero like Oden did and as a truly brave, hourable warrior with nay a scar on his back too.
Kaido tries so hard to compensate for his own secret cowardice, he puts on such an ultra macho front, trying so hard to be this badass warrior/barbarian and he was compared to being more like a thug than a pirate. Pirates tend to have their own honour despite how treacherous they can be. Although he did kill that witch because of what happened with Oden to be fair. I'd love to see more of that side of him.
But the fact he's trying to call an innocent, tortured, traumatised etc child a "coward" speaks volumes about how cowardly and pathetic Kaido actually is. He's the kind of guy who thinks he's so strong for picking on those weaker/smaller/more vulnerable then him. An attitude fitting of someone who sees them as "king of the beasts" and "survival of the strongest".
Kaido hates weakness in others because he has own insecurities too and doesn't want to confront them so her overcompensates for them with that macho behaviour and such too. It kinda draws parallels to Katakuri too, with how he was putting on that tough guy front and his similar attire to the Beast Pirates too, but Katakuri was actually concerned about protecting his family and that was his motivator for his tough guy front.
I think Kaido has a serious inferiority complex deep down like BM has with the giants and he projects it onto others. He also does envy Oden and WB for being so comfortable with who they are and being so genuinely likeable, manly, honourable, brave etc and dying so gloriously as heros. Truly going out in a blaze of glory.
Thanks for coming to my Ted talk/reading my essay lol.
