He went through a lot of trauma during the fighting. 20yo didn't have any fighting experience yet.
Yeah that's his 20 year old self, I'm talking about before the first time he lost his memories and regressed to 20. He was courteous with everyone else but very cold to mc while calling him everyday. Like think chapter 1 and 2.
My guess is that he fell in love with MC at first sight but with all the trauma he went through he might of thought Mc would be safer if they didn’t have a love based relationship. So he purposely acted cold towards MC so that their relationship would stay professional. I’m assuming he called MC very often because he liked him so much that he wanted to see him almost everyday. I guess that was his way of holding back.
Are we ever gonna figure out why bro was so cold to mc pre-amensia?