He has to be or otherwise us poor layman would never understand anything. Like when he says friendly fire. I envision those tiny parts of my body that I can't remember the name of, oh wait a minute it's cells, holding tiny little machine guns and killing other cells. Then I understand it. But I break out into a sweat knowing that I might have an insurrection on my hands. Maybe I should think of those cells as playing harmless laser tag, that should calm me down.