Greek Mythology: Naricissus relevancy to today. vanity

Many tales have been told of Narcissus, the son of a god who fell to his peril due to his own vanity and love for himself. The story is told according to The Mythology Guide, and this is how it goes:
Narcissus was cruel not in the case of Echo alone. He shunned all the rest of the nymphs as he had done poor Echo. One day a maiden, who had in vain endeavored to attract him, uttered a prayer that he might some time or other feel what it was to love and meet no return of affection. The avenging goddess heard and granted the
prayer.
There was a clear fountain, with water like silver, to which…