He still couldn't believe how lucky he was to get away from his Aunt and Uncle, even though he tried not to think about what happened to Dudley. Arthur tried to explain that what had happened wasn't his fault, and he brought an old man they called Professor Mumblesnore or something, he wasn't paying attention to the name, he was too busy watching the birds flying around on his robes. Eventually, he understood what they were saying, and started to sleep without nightmares.