The Mother-goddess and the Father-god.. were struck by the
arrows of Eros (or Cubit if you prefer,) which pre-existed.
At first, their chemistry surprised even Eros himself.
Their wedding was magical. And it was a source of inspiration to songwriters and storytellers over centuries, echoing the magnificence of their union. Yet, as the "Chinese whispers" or maybe as some kind of distorting mirror, the ‘wedding’ was considered to fit at the end of a story, and gradually moved itself there.