Possession through one face only — that is the diagnosis, and it is sharper than it first appears. The man who lives entirely in puer, moving fast, leaving things unfinished, allergic to institution and consequence, believes himself free of the old man's rigidity. And the man locked into senex, suspicious of enthusiasm, contemptuous of what hasn't yet proved itself, believes himself free of the boy's irresponsibility. Hillman's point is that they are identical in their very certainty of difference. Both are cold to the middleground, both resistant, both self-willed — the contempt just wears a different costume.

What gets lost when the tension collapses into one pole is *ambivalent consciousness*: the capacity to hold the faces together without resolving them into a single legible identity. The puer-et-senex is not a compromise between youth and age, not a balanced personality, not maturity achieved. It is a more uncomfortable state — the one in which neither face gets to win, neither exhausts the field, and the soul is held in the friction between them. Hillman keeps returning to that friction because he knows what the single-face possession offers: relief, clarity, a story you can tell without ambiguity. That relief is exactly what the middle ground cannot survive.