In the West, the sky belongs to men, and the earth to women; there is a ‘sky-father’ and an ‘earth-mother.’ There’s nothing wrong with those phrases, but two other phrases have fallen into oblivion: sky-mother and the earth-father.
Bly argues that Western mythological inheritance has pathologically narrowed the Sky Father / Earth Mother polarity by suppressing its complementary inversions, impoverishing both masculine and feminine self-understanding.
, Iron John: A Book About Men, 1990thesis