It's real, Cory. My teacher is in his late 80's now...he had a TIA (small stroke) about a year ago. He has slowly gotten back a lot of his mobility and coordination...not like it was 10 years ago when he could most definitely tear up some arse. But even now...if you rush him and push him over, use a pipe to smash him you could take him.
But, if he gets the least little hold of any part of you it is probably over for you. His grip is still good, but most important is he knows how, when, where, why and what to grip. If that grip fails its OK...it evolves into another grip...or elbow...or eye thrust...or throat grip/squeeze/poke/pluck/smash, or cheek rip, ear tear, hair grab and neck twist/wrench, groin slap, rib fire grab.....
Several things will happen at once...each producing its own distraction/pain that opens another path or augments one he has already started down.
A master is a maelstrom of constant motion, manipulation, evolution, instant learning and adaptation. In the 3 techniques he employs he probably bypassed 6 possible techniques to optimize what he used.
I was learning a foot/ankle lock against an opponent once and kind of had it...but the guy could almost get out. Dr. Gyi, as he walked by, casually reached down, adjusted my elbow "drop" to a position about 3 inches different and the guy started squealing. Dr. Gyi saw the optimum angle for the lock as he walked by.
At my black belt test in 1981 he used me for a "victim" when he demonstrated an elbow to the chin...but it wasn't just the face, head or chin...it was PRECISELY the tip of his elbow to the very center of my chin, in that slight groove, not left or right. Moderate speed, controlled blow that didn't hurt much at all; but it like a sniper had zeroed in on that spot. I had a "Eureka" moment...no one else there knew what happened, but my mind was opened at that moment. To me an elbow was to smash a head or throat...after that I saw it as a precision tool that, when properly focused, would be devastating.
I have trained with Dr. Gyi once a week, Wednesday nights, for the last 14 years. I have seen subtleties of movements in his hands that were a flutter a few years ago...I knew something was happening but could not discern the meaning. I have since learned what those flutters are. I cannot employ them with the precision that he can but I can now recognize them for what they can be. First must come awareness; then, if the body can handle/learn the movement one can practice to make the movements fluid and automatic. When we can remove the thought from the equation the movement can be a "fire and forget" system that lets you turn loose the needed resources and use thought to look ahead to what might need to be done next....engage, escape, etc.
It's kind of like being up against a tree or something that suddenly starts to move in an unexpected way. No time to think...you just have to react (
). Hopefully the reaction is proper for the situation. Training and preparation makes that kind of response possible. MA masters have done LOTS of focused intentional training so that when there is no time for thought they have reactions to respond with...hopefully their training coupled appropriate responses with stimuli.