It was jarring how he instantly understood any line of reasoning I was going down. There was no need for context or lengthy background explanations, he would just see what you were doing. That was in most areas also, politics, programming, philosophy, etc.
It was refreshing because conveying information to him was effortless, he needed like 20% of the info that is usually required when explaining something to another person. I don't know how one could achieve that other than just being gifted at absorbing and processing information.
