Long before modern science could name the reward circuit, every serious masculine tradition already had a name for the problem you are facing: the appetite that owns the man. The Romans called the discipline that fixed it temperantia. The Japanese called it heijoshin. The Greeks called it askesis. Different cultures, the same recognition: a man who could not master his appetites was not yet a man.
Every tradition that took men seriously trained them against the same enemy. Voluntary fasting. Cold exposure. Physical labor. Sex restriction before contests and battles. Long silences. Real scarcity. None of these practices were arbitrary. They worked because they protected something biological: a reward circuit that needed sparse cues and real recovery to stay calibrated. For two thousand years, men were trained to live in the conditions their wiring was built for.
You are the first generation that has never known any of it. Your phone is engineered to hijack the same circuit Marcus Aurelius trained himself to master. Your food is engineered to override the same restraint the samurai built through fasting. Your sleep is broken by the same screens that shorten the recovery your wiring requires. The traditions that protected men from this collapsed two generations ago. The chemistry they protected has not.
What every serious tradition trained men to do, your reward circuit can no longer do alone.