because these things come to an end, to an enantiodromia, the masculine mode of consciousness tires. That is a typical archetypal event, and then the feminine, or the unconscious and nature, the chaotic, have to take back the light.
Von Franz presents enantiodromia as an archetypal, historically recurrent event in which the over-extension of a one-sided masculine-rational civilization inevitably triggers its psychic reversal toward the feminine and unconscious.
, Alchemy: An Introduction to the Symbolism and the Psychology, 1980thesis