Did you know that on July 31st every year, Potterheads all over the world get together to host HP movie marathons, make Hogwarts-inspired snacks, hold all sorts of HP quizzes and fun-filled trivia sessions, and throw HP-themed parties while reading the books alongside? As one more year goes by, let us today, along with celebrating the birthday of one of modern literature’s favourite characters, also take a look at five essential life lessons from Harry Potter books