He was obviously in sexual delirium and has experienced this on many occasions, while she is an expert at administering this. However, it should be remembered that this is still the most dangerous form of deviant sex for a man. If it goes wrong the complications usually result in impotence and permanent incontinence with chronic pain. This is definitely not for wimps, though it is for men and women with little sense of risk.
Sounding should be the first thing a woman does to a man when she meets him for the first time. And every time she sees him for the rest of his life./.