Gottfried’s love-potion does not cause love, but symbolizes it… the potion cannot possibly have marked the birth of love, either as symbol or as cause, since love had already been animating this perfectly matched young couple for some time.
Campbell adjudicates the scholarly controversy over Gottfried’s philtre, arguing definitively that the potion neither caused nor merely symbolized love but catalyzed a transformation from personal-aesthetic to compulsive-daemonic eros in lovers already united.
, Creative Mythology: The Masks of God, Volume IV, 1968thesis