The erotic complex occupies a precise and theoretically productive position within depth-psychological literature, representing one of the earliest diagnostically significant complexes to be isolated through the word-association method. Jung’s Experimental Researches of 1904 provide the foundational empirical grounding: the erotic complex is identified as a semi-autonomous psychic constellation with measurable effects — prolonged reaction-times, perseverative associations, inhibitory disturbances — that betray its presence even when consciousness actively suppresses it. Jung and his collaborators document how the erotic complex manifests across hysterical symptomology, dream-series, and association chains, establishing a tripartite methodology (association analysis, dream transformation, symptom-derivation) that would prove generative for the entire psychoanalytic tradition. Beyond the experimental literature, the erotic complex figures prominently in Hillman’s archetypal reading of the Eros-Psyche myth, where it is reframed not as pathological fixation but as a structural principle of soul-making, irreducible to either biology or moralism. Fromm situates erotic love within a typology of love-forms distinguished by its exclusiveness and vulnerability to narcissistic collapse. Perel, writing from a clinical-systemic perspective, maps what might be called the erotic complex of couples — the unconscious architecture of fantasy, inhibition, and need that shapes desire within committed relationships. The term thus traverses experimental psychiatry, archetypal psychology, existential psychoanalysis, and contemporary couples therapy, carrying in each domain a different but related charge.