Crushes have been around as long as the human species. And in the predawn of human history, PEA was probably a pretty necessary molecule from the point of view of species survival. The more humping the better, in terms of propagating one's genes. Evolutionary psychologists such as Dr. Geoffrey Miller, who wrote The Mating Mind (Anchor Books), propose a scientific explanation for why humans have evolved this particular chemical overdrive. Dr. Miller takes Darwin's sexual selection theory and argues the human mind has developed the sophistication of a peacock's tail to encourage sexual choice. "What we are specialized for, both morphologically and behaviorally, is to seduce each other," he says.

    从有人类开始就存在迷恋现象 ......