As a young man... you don't know anything about yourself. And add on to that, you're on the cover of magazines. People are interviewing you about what you think. You feel like a real phony.
Synaptic summation is the technical term used in neurophysiology for those instances in which some neuron C is fired only by a combination of neurons A and B.
Back in those days intimidation was the greatest tool the drill instructor had. Without that tool, he would not have had control.