While in AA, Grover discovered working the Twelve Steps helped remove the neuroses underlying his alcoholism. As an experiment Grover instructed a woman who suffered from neurosis, but not alcoholism, to work the Twelve Steps. He discovered that they aided her recovery from neurosis as well.
During his time in AA, Grover observed that the Twelve Steps played a crucial role in overcoming the underlying psychological problems associated with his alcoholism. Building on this insight, he conducted an experiment where he guided a woman suffering from neurosis through the same steps, finding them to be equally beneficial for her.