Echo (mythology) the voice must be running away from him and called out again. Finally, he shouted, "This way, we must come together." Taking this to be a reciprocation of her love, Echo concurred ecstatically, "We must come together!" In her delight, Echo rushed to Narcissus ready to throw her arms around her beloved. Narcissus, however, was appalled and, spurning her, exclaimed, ‘Hands off! May I die before you enjoy my body.’ All Echo could whisper in reply was, ‘enjoy my body’ and having done so she fled, scorned, humiliated, and shamed. Despite the harshness of her rejection, Echo’s love for Narcissus
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