As he looked at Dudley in his new knickerbockers, Uncle Vernon said gruffly that it was the proudest moment of his life. Aunt Petunia burst into tears and said she couldn't believe it was her Ickle Dudleykins, he looked so handsome and grown-up. Harry didn't trust himself to speak. He thought two of his ribs might already have cracked from trying not to laugh.

Harry Potter and the Philosopher's Stone - Chapter 3 : The Letters From No One
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