Maki deep down knew about the broken relationship of his parents, however, as the good little boy as he was, he did not express his feelings back then and kept bottled them up inside.
He knew even if he had expressed that he wanted his parents to reconcile, things would still take their course...
My friend, that is like saying a tsundere and a yandere is perfect for each other because they are opposite so their personalities cancel each other out.
Healthy as in one side is borderline nearly emotionally dependent and the other side is simply tolerant their party's "insane" behaviors without constructive inputs and feedback?