"And..." If I want this to go smoothly I need to offer him something as a show of good faith. "Beginning tonight we’ll revise the rule about answering questions. Unless a question relates to your health -- how you feel in body or mind, that is, or how risky you’ve assessed an action to be -- you aren’t required to answer me. It was... unfair of me to put that on you." He fights to keep how much he hates this idea off his face, out of his body language, to stay relaxed and calm, as truthful with his body right now as Harry is. This all but gives him permission to hide things from Marvolo, which he hates.