Scarlett Johansson Enjoys Tantric Sex

The couple revealed that they decided to learn more about the mystical sex techniques that were made popular by singer Sting and his wife, Trudi Styler.

Hartnett explained, "I studied it to see what all the fuss was about. It’s not easy but it’s all good."

Tantric sex uses a type of meditation which permits the couple to enjoys hours of lovemaking on new levels.