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"And it got worse. He said Dad was an idiot to run around with Dumbledore, that Dumbledore was heading for big trouble and Dad was going to go down with him, and that he - Percy - knew where his loyalty lay and it was with the Ministry. And if Mum and Dad were going to become traitors to the Ministry he was going to make sure everyone knew he didn't belong to our family any more. And he packed his bags the same night and left. He's living here in London now."