Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
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As a rule, 66 percent of people keep their eyes closed while kissing. The rest take pleasure in watching the emotions run the gamut on the faces of their partners.
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It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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One in five long-term love relationships began with one or both partners being involved with others.
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Wearing red increases attraction.
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When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23