the senex is an archetype; second, this archetype is the one most relevant for the puer. By this we mean that the senex is a complicatio of the puer, infolded into puer structure, so that puer events are complicated by a senex background.
Hillman’s foundational thesis: the senex is not merely old age but an archetype structurally infolded within the puer, making the two poles a single, internally differentiated complex.
, Senex & Puer, 2015thesis