"Puffs don't want anything but food. . . yeah, Percy," George answered. Though he was momentarily distracted by thinking about Puff spies. Maybe they could have tracking-charm models. Or something. Or attached Pensieve charms. People could use them to spy on people when they were out, catch their wives sleeping with the neighbor and all.
He abandoned the half-formed plan to frown at his twin. "What then? He wanted to talk, or you followed him? What did you follow him for? Was he visiting dad?" George sounded a little hopeful at the last, really. Though he tried not to.