Everyone know that when your ex asks you how your life is, you don't tell him how there's been no one since him or how your ex ruined you for all others. So, when Grindelwald asks Dumbledore this during their duel, Dumbledore makes up an imaginary boyfriend named Chad. He doesn't mean for it to continue, but when Grindelwald starts writing him from prison, Dumbledore can't just admit he made the guy up. So he starts telling him details about his perfect life with his perfect boyfriend. After all, what harm could it do?

One day, though, Grindelwald breaks out of Nurmengard. And numerous Chads within the vicinity of Hogwarts start to turn up dead...