" Didn’t you ever have a robot go wrong on you? It’s your anniversary, you know.” And so help me she blushed. She said, “Robots have gone wrong on me. Heavens, how long it’s been since I thought of it. Why, it was almost forty years ago. Certainly! 2021! And I was only thirty-eight. Oh, my—I’d rather not talk about it. "

― Isaac Asimov , I, Robot (Robot, #0.1)