Excellent thoughts, as always Rex.
In Freudian terms, would this mean playing from the superego, while keeping the id in check?
One of the concepts I liked from Zen and the Art of Poker was that folding is a weapon, and to wield it like a big club.
I'd like to learn more about how to get the ego out of it. I remember reading about one of the good young high stakes players and he demonstrated for his brother how he plays at these high stakes games. He was in a big hand and his brother said aren't you excited? And he said, no, feel my heart, and it was just going at a normal rate. He said when he's watching his favourite sports team he gets excited, but not while playing poker.
That's where I need to work towards. I can still feel my heart race when I get in a big hand, and I am almost as aware of my inability to play properly against players whose game I don't respect, and conversely my intimidation when I play against players whose game I know is better than mine.