I don't even care if he got new body I like that genre, what I dislike is that I got attached to him, his face will pop up when I think about this manhwa..
Yet he became really weak, almost dead like damn, my beautiful fearless muscle man, I'll miss him dearly, it's so unfair

Btw ML was child when they met, MC was 18, to make them end up together author took this route, that's all for sure