I mean in the first place he is the reason why they end up like that in his first life he ...

I mean in the first place he is the reason why they end up like that in his first life he is the only one who talk to him and take care for him but he keeps on ignoring him, pushing him away, building a wall between them and so on until they fight as for this lifetime the child was just pressured at that time so yeah they can still fix it.... Hope they can be a good friends in this timeline