Overview: Masturbation has many benefits. It reduces stress, promotes sleep, and calms migraines and menstrual pain. Masturbation stimulates the heart rate as much as a brisk walk. Lili meets with three Montreal girls who are exploring masturbation with their website and magazine devoted to the subject, Magic Caresses. Everybody does it, but the where and the how are unique to everyone - and Lili helps reveal the mystery.