That there is a connection between romantic delusions and subsequent neuroses (usually after marriage) can often be seen. This was also seen by ancient classical philosophical writers. Marriage can become a monotony, perhaps a boredom. Where has the romantic love gone? How much better would all have been if both had looked at the realities from the beginning? If the facts of life are looked at, the romances change their appearance: they are mostly not eternal, often changeable; the beauties fade away, the ecstasies turn to pain or worry, the attractions to repulsion. In short, the end is disappointment. The deification of the allegedly loved one may be changed to its opposite--vilification--so self-deceptive is the whole experience in many cases, so misunderstood are the physical symptoms and so adolescent are the emotional ones.
-- Notebooks Category 13: Human Experience > Chapter 2 : Living in The World > # 485