Just ask the tree.

The mature person has become free from the outside mother and father figures, and has build them up inside. … motherly conscience on his own capacity for love, and a fatherly conscience on his reason and judgment.

In the stage of full maturity he has freed himself from the person of mother and of father as protecting and commanding powers; he has established the motherly and fatherly principles in himself. He has become his own father and mother; he is father and mother.