Pretty sure that Tolstoy didn't envision that including possible cannibalism.

[This is...very, very troubling. But may explain at least a few things about Mac.]

I mean. My dad and I never really got along, but I can be very certain that eating me was never a thing that crossed his mind.

[He's definitely not going to say that killing him never crossed John's mind. That DEFINITELY crossed John's mind. Even if there had been extenuating circumstances.]