[ Jack isn't the point. If he was less adamant about staying clean and not so prone to crippling guilt, he could kill Jack for fun and pleasure any day of the week. No, it's everyone else he's worried about, those who aren't used to coming back the next day, those who might really hold it against him and what if they don't come back? What if this is the beginning of a quick slip into death and violence again? ]
You better. [ Chain him up, stake him, whatever it takes. ]