"We have a rule in our house, you know," Harry murmured eventually, voice low and warm as the fire. Malfoy, who was curled up against Theo’s back, drawing idle shapes into his jumper propped his chin on Theo’s side and looked up, meeting Harry's eyes in increments —flickering from Harry to the fire, to his fingers; he seemed unable to still his gaze. Theo didn’t so much move. 