How to Spot Your Soul Mate

This relationship guru came up with four types, and figured out the best combos.
paul newman and joanne woodward
Ron Galella
paul newman and joanne woodward
Ron Galella
1 of 4
PERSONALITY: An even-tempered, family-oriented homebody who checks the date book before doing anything.
BIOLOGY: Builders tend to have higher levels of serotonin, a brain chemical known for instilling calm.
IDEAL MATE: A fellow Builder, who appreciates crucial details like alphabetizing the owner's manuals for appliances dating back to 1987.
OUR FAVORITE COUPLE: Paul Newman and Joanne Woodward, whose marriage lasted for 50 years. In Hollywood, no less.
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brad pitt and angelina jolie
Lester Cohen
2 of 4
PERSONALITY: A sensation-seeking creative type who would rather let dishes pile up in the sink than miss a chance to go bungee jumping.
BIOLOGY: Explorers have high levels of dopamine, a chemical in the brain associated with feelings of euphoria and optimism. Explorers love sex. Love.
IDEAL MATE: A fellow Explorer. In short, a partner who won't flinch if you ask him to play hooky and go to Bangkok on a whim.
OUR FAVORITE COUPLE: Duh. Brad and Angelina, the jet-setting, tattooed, unwed parents of six.
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kate winslet and sam mendes
George Pimentel
3 of 4
PERSONALITY: Gregarious, affectionate, and loves pillow talk.
BIOLOGY: In the womb, the Negotiator was exposed to high levels of estrogen, the hormone associated with sensitivity and intuition.
IDEAL MATE: A Director — because two Negotiators who can't stop saying "I love you" to each other would make anyone want to barf.
OUR FAVORITE COUPLE: Kate Winslet, the Negotiator, emotes for a living, while Director Sam Mendes literally, um, directs.
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reese witherspoon and jake gyllenhaal
George Pimentel
4 of 4
PERSONALITY: A cool, calculating, independent workaholic who hates talking about feelings because what's the point?
BIOLOGY: In the womb, the Director was exposed to a high level of testosterone, the hormone associated with competitiveness and aggression.
IDEAL MATE: The Negotiator (at right), who brings love and affection to a Director's analytical life.
OUR FAVORITE COUPLE: Reese Witherspoon and Jake Gyllenhaal. She named her company Type A Films; he's the doe-eyed boy with the strong shoulder to cry on.
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