Fantasia Of The Unconscious by D H Lawrence Chapter 9 Page 14

So, the blood is changed and renewed, refreshed, almost recreated, like the atmosphere after thunder. Out of the newness of the living blood pass the new strange waves which beat upon the great dynamic centers of the nerves: primarily upon the hypogastric plexus and the sacral ganglion. From these centers rise new impulses, new vision, new being, rising like Aphrodite from the foam of the new tide of blood. And so individual life goes on.

Perhaps, then, we will allow ourselves to say what, in psychic individual reality, is the act of coition. It is the bringing together of the surcharged electric blood of the male with the polarized electric blood of the female, with the result of a tremendous flashing interchange, which alters the constitution of the blood, and the very quality of being, in both.