The answer lies in the understanding of Body Alarm Reaction (BAR). Over the years, people such as Geoff Thompson and Peter Consterdine have written detailed accounts of the "Chemical Cocktail" all the fears and adrenal releases that occur pre-fight, during fight and after fight.
They have talked and explained how the use of Action triggers can help alleviate some / many of these problems. They are 100% right in what they have said and the solution they have brought to the table.
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