When a man ejaculates, the message is sent from his spinal cord, not his brain, which explains his amazing facial expressions during ejaculation.
It is easy in a man’s face to see when his bullocks are about to send forth their juices. A red Indian, they say, can preserve his features when being tortured. I doubt if he could when spending. A man’s face then is rather stupid, nor is that of a woman’s, as she is holding tightly to her, fucker’s. backside for the full engulfment of his throbbing cock in her cunt, highly intellectual; but it’s much more lovely than that of a man’s face. From My Secret Life By Walters