Why Him Why Her
Take Dr. Fisher's Test. Discover more about who you are and you love.
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The book
This groundbreaking new book identifies four personality types to help you find and keep romance. More»
The author
Biological anthropologist and a world-renowned expert on romantic love and attachment. More»
As seen on 20/20
The book
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The book
Put Dr. Helen Fisher's science to work! Find a relationship based on your personality type today at chemistry.com»
As seen on 20/20