In the Seventies, women runners, developing amenorrhea and calcium-related shin splints, were the first to realize that nature is hovering over us, ready to shut down our systems if our fetus-feeding fat reserve drops below a certain percentage of body weight. In other words, in nature's eyes we are nothing but milk sacs and fat deposits.

p. 41 - Vamps and Tramps (1994) - "No Law in the Arena: A Pagan Theory of Sexuality"