However, while there is no official research done on the topic, my own reading indicates that the benefits of masturbation are extremely similar to those of physical exercise. Below is an outline of some of the similarities between these two worthwhile activities. I’ll let you draw your own conclusions.
via Is Masturbation a Form of Exercise? You Be the Judge – EmpowHER.com.
If masturbation is exercise, I should still have a 30-inch waist. :-D