Echo (mythology) how she felt and was forced to watch him as he fell in love with himself. In "Metamorphoses", the poet Ovid tells of Juno (Hera in Greek mythology) and the jealousy she felt towards her husband Jupiter (Zeus in Greek mythology) for his many affairs. Though vigilant, whenever she was about to catch him, Echo distracted her with lengthy conversations. When at last Juno realized the truth, she cursed Echo. From that moment on, the once loquacious nymph could only repeat the most recently spoken words of another person. Sometime after being cursed, Echo spied a young man, Narcissus, while
Falling in love in love as one of projecting the anima or animus onto the other person, with all the potential for misunderstanding that can involve. Two chemical reactions associated with falling in love are increases in oxytocin and vasopressin; and Elisabeth Young-Bruehl has suggested that "when we fall in love we are falling into a stream of naturally occurring amphetamines running through the emotional centres of our very own brains". With regard to sociobiology, it is stressed that mate selection "cannot" be left to the head alone and must require complex neurochemical support. Critics of such Neo-Darwinism point out that over-simplistic physical