"In 3rd year he believed my familiar, Crookshanks, had killed his rat, and illegal familiar I would like to mention. One that turned out to be a criminal animagnus in disguise, but I digress. In retaliation, Ron isolated me from our peers and made people choose sides. When Crooks was innocent he did not apologize once. Though just days before he forced me to grovel for forgiveness for my familiar's behavior and murderous intent. Over a pet, he loathed and complained of often.