The one great question Freud said he could not answer was "What does" one of these "want?"
It is said that the one question about men and women that 
even the great Sigmund Freud, father of psychoanalysis, could not answer was: 
... is a testament to how widespread these assumptions about the two... [DOC] [TLE] Why Was Sigmund Freud Unable to Understand Women [PAR] A frequent criticism of Freud is that he did not understand women and that his 
theory ... Near the end of his life, he was still asking, "What does woman want?