Conversation so far:
What was Wilhelm Stekel's theory of neurosis?
Wilhelm Stekel made significant contributions to symbolism in dreams, as successive editions of The Interpretation of Dreams attest, with their explicit acknowledgement of Freud's debt to Stekel“
How did Wilhelm Stekel's theory differ from Freud's theory of neurosis?
the works of Wilhelm Stekel and others...since taught me to form a truer estimate of the extent and importance of symbolism in dreams“
What were some of Wilhelm Stekel's other ideas besides the symbolism in dreams?
Sigmund Freud credited Wilhelm Stekel as a potential forerunner when pondering the possibility that (for obsessional neurotics) in the order of development hate is the precursor of love.“

Question: What he learn from Freud about neurosis?
Self-contained rewrite: What did Wilhelm Stekel learn from Freud about neurosis?