It's classic tsundere shit. Same reason I can't rewatch stuff like Zero no Tsukaima or Hidan no Aria these days, they're just so abusive and grating for no damn reason. There's some really toned down tsunderes that make the archetype more palatable but the whole "beat up crush all the time...
Thanks for the spot of comedy after a heavy read lol. I'm happy that you haven't had to witness this stuff IRL, unless you have and have just rationalized it all as the victim's fault, in which case my condolences.
@katkritiques even if they have the same mother it doesn't rule out infidelity at all. Women are plenty capable of having a child with one man and then having another child with another man. If there's zero resemblance between a child and their legal father, this sort of thing is always up in...
For all we know he doesn't have any. It's a character that lies as easily as it breathes and has just finished telling the readers that it will suffer any humiliation as long as it can live, why should anyone view such a line as anything other than a desperate plea for mercy lmao