Best friends make the worst enemies, they know all your secrets and how to hurt you the most.
Unconscious assumptions or opinions are the worst enemy of woman; they can even grow into a positively demonic passion that exasperates and disgusts men, and does the woman herself the greatest injury by gradually smothering the charm and meaning of her femininity and driving it into the background. Such a development naturally ends in profound psychological disunion, in short, in a neurosis.