As the human infant is in an even more exposed and helpless situation, it is foolish to assume that the fear response of animals would have disappeared in such a weak and highly sensitive species. It is more reasonable to think that it was instead heightened, as some of the early Darwinians thought: early men who were most afraid were those who were most realistic about their situation in nature, and they passed on to their offspring a realism that had a high survival value.24 The result was the emergence of man as we know him: a hyperanxious animal who constantly invents reasons for anxiety
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