Sarno had ideas about the brain’s ability to restrict blood flow from areas of the body. His thinking was that it was specifically to cause pain, with the end result being a relief from emotional distress (due to distraction of the conscious mind).
Maybe there is some commonality between what you’re saying and what he was on to.
Steering the blood flow has more usages. E.g. if you eat, the blood flow in the (peripheral) muscles is attenuated and in the stomac intensified.
And it is possible to restrict the blood flow to wounded areas, which is beneficial in a fight. But I was not able to do this every time I got a wound. Maybe too few practice.
Maybe there is some commonality between what you’re saying and what he was on to.