"It didn't take long for Ron to start abusing you after that, did it? You were putting up too much resistance, complaining too much, making a nuisance of yourself just by reminding people what good looked like. Riddle he ... he began insisting that Ron subjugate you by force. But Ron couldn't do it to start with. He retained a shred of the decency that made us friends, but the more he was exposed to the horrors of the Death Eater creed, the less squeamish he became.