Well… He did make the character Humbert Humbert say it, though.
“Frigid gentlewomen of the jury! I had thought that months, perhaps years, would elapse before I dared to reveal myself to Dolores haze; but by six she was wide awake, and by six fifteen we were technically lovers. I am going to tell you something very strange: it was she who seduced me.”
Not really necessary anymore. If they weren’t dead before, once someone has gone through the modern embalming process they will very definitely be dead afterward.