正如罗格斯大学人类学家海伦·费舍尔博士所说：这种爱的化学物质可以让你感觉幸福、精力旺盛，让你一直徜徉在激情澎湃的港湾。

That's the same love chemical that made you feel happy, energetic, and totally obsessed with your partner back in the Passion stage, says Rutgers University anthropologist Helen Fisher, Ph. d.

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一位生物人类学家，海伦·费舍尔教授，将爱情分为“性，浪漫以及依恋”三种特性。

Professor Helen Fischer, a biological anthropologist, divides love into three entities: lust, romance and attachment.

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海伦m .法雷尔，医学博士，是哈佛医学院讲师，波士顿贝斯·雅各医疗中心的一名心理医生。

Helen M. Farrell, M.D., is an instructor at Harvard Medical School and a staff psychiatrist at Beth Israel Deaconess Medical Center in Boston.

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