David Deida — American Author born on March 18, 1958,

David Deida is an American author who writes about the sexual and spiritual relationship between men and women. His ten books have been published in 25 languages. He conducts spiritual growth and intimacy workshops and is one of the many founding associates at the Integral Institute. He has conducted research and taught classes at the University of California at Santa Cruz, Lexington Institute in Boston, San Jose State University and Ecole Polytechnique in Paris. He is the author of numerous essays, articles, and books on human spirituality including The Way of the Superior Man, Finding God Through Sex, and Blue Truth and the autobiographical novel Wild Nights... (wikipedia)

The positive and negative poles of a battery create an electrical flow. The masculine and feminine poles between people create a flow of sexual energy in motion.
Masculine and feminine aspects exist in all beings.