I'm sorry my son caused problems. But you can be sure that I will settle with him, even if I leave the back of his neck in living flesh

Obviously she was exaggerating, but it's true that she had a very aggressive way of dealing with the problem. Even if his frustration and irritation was completely plausible

I don't know where I went wrong, Katsuki was a good boy, I mean, he always was... Complex, since he was a child he was very aggressive and arrogant, but... Not like this