He was feeling insecure and often times in relationships things like insecurity, jealousy, etc. can breed resentment towards the person that you are with and Honda no longer felt like he was worthy enough to be with Kaido so he wanted a break to work on himself and reflect.
Also. Because kaido’s workplace discovered he was photographed with a “friend” and people found out he was gay, since in Japan there’s obviously a stigma against people of sexual orientation, therefore Honda didn’t want to get in the way of his partner’s dream like he hurt him before in highschool. So he decides to leave but really He’s just insecure that he can’t be by his side anymore since he’s off to do great things in his career.
Hey I'm currently on chapter 10, and I get that it may be one of the factors, Kaidou's workplace found out they're gay, insecurities, and not being in the way of his dream but it keeps bugging me how Honda's saying that Kaidou's been enduring his work as a model and actor (when he just want to be a stunt man) because of Honda, I don't get why and how would that be his fault? I feel like that's the main reason why he wants to break up since it's been mentioned in chapter 10 like how Honda's feels like Kaidou is holding back from his dream (which is to be a stunt man) because of Honda and the fact that Kaidou's can't tell Honda anything regarding his workplace add fuel to his assumption thus lead him to ask for a break up. However I'm still confused how is that his fault? Why did he conclude that I'm genuinely confused can any of you help me ╥﹏╥
It was sooo lovely but I'm still confused why Honda broke up with Kaido. I could not catch any logic in this part