Rachel is the wife that wants to be a mother and Leah is the mother that wants to be a wife. Both women fulfill their archetype but are unfulfilled by their archetypes.
We are all balancing our archetypes
The story of Rachel and Leah has helped me to find some compassion for myself and others as I realize that the only way to fulfill an archetype is to abandon all other roles and in turn be an unfulfilled self.