However, it is a physiological explanation that is wanted. Psychology does not adequately explain the phenomena of desert fasting or the aberration of wandering troups of mediveal flagellants. All we knew was that it felt real good. This, then, is only a beginning at explaining things I do not have the ability to fully explain. That is a kind of sour grapes response.
Life is a bit risky, however.
As David did point out to me, this is a psychoanalytic-studies forum.