"You're going to be the best cocksucker ever!" Exclaims Mommmy Dearest as she carefully instructs you on all the fine points of superior cocksucking & ball-licking-sucking (BLS).
Playing with your ass, exploring that forbidden hole, doesn't have to be an act of humiliation. In fact, it shouldn't be. There's so much enjoyment to experience from anal masturbation, and the taboo just makes it that much more exciting.