“Maybe it was over a dozen years of having to obey Petunia immediately or having Minerva McGonagall for his Head of House or being friends with Hermione Granger…sort of. But whatever caused it, Harry knew instinctively that when an individual of the female gender got that tone in her voice, he damn well better stop, shut up, and pay attention... Neville, growing up with his Gran, froze as well, being equally as well-trained as Harry regarding female tones.” WomenHumourToneHarry Potter Book:On Whom the Pale Moon Gleams Source: On Whom the Pale Moon Gleams