Remus Lupin was supposed to be on the H.I.V. metaphor. It was someone who had been infected young, who suffered stigma, who had a fear of infecting others, who was terrified he would pass on his condition to his son. And it was a way of examining prejudice, unwarranted prejudice towards a group of people. And also, examining why people might become embittered when they're treated that unfairly.
J. K. RowlingHer grief was so big and wild it terrified her, like an evil beast that had erupted from under the floorboards.
J. K. RowlingNaturally Shirley had known, as they slid stock words and phrases back and forth between them like beads on an abacus, that Howard must be as brimful of ecstasy as she was; but to express these feelings out loud, when the news of death was still fresh in the air, would have been tantamount to dancing naked and shrieking obscenities, and Howard and Shirley were clothed, always, in an invisible layer of decorum that they never laid aside.
J. K. Rowling