I like your explanation quietlyleaving.
This is not meant to reflect your thinking, but your post "inspires" me the following: metaphors might indeed be "regenerated" (in a sense that implies both resurgence and difference; non-identical recurrence, as in Deleuze's interpretation of Nietzsche) within a sort of triangulation involving:
1. "Tradition" and more generally the "inertia" of language -- structures massively inherited from the past (and as such, still haunted by the ghosts of dead metaphors) yet ever slowly changing;
2. "Science" and the new paradigms which through education and popularisation necessarily affect our current representation of "reality" (against which we are bound to dismiss a "literal" understanding of traditional notions like "spirits" as "pre-scientific," "mythical" or "superstitious," in any case "unreal");
3. "Self" and intersubjective communication as the "meeting place" for the experience and expression of sensations (of physical phenomena like breath or wind), emotions (like passion, anger, grief -- which were also once described as "spirits" -- or anxiety of death), reflection and creativity.