Harry Potter and the Neverending Quest to outdo Dudley

Minerva Mcgonagal should have been happy. Harry potter was strong, well taken care of and loved by his family. He's a prodigy with magic and very polite and well spoken. The problem is, he also has this strange obsessive desire to prove to his muggle cousin the superiority of magicals. She supposed she should be glad Dudley wasn't cowed by this belief, rather, emboldened by it.