"It’s how I was raised, Granger. It’s not a choice I made. It’s what I was taught to believe from the moment I was born. It was beaten into my head every minute of every bloody day. I think not wanting to kill Muggle-borns and Muggles is a good first step." He glared at her. "I’m working on the rest, I really am. But for fuck’s sake, Granger, cut me some slack."