Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
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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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The left ear is more responsive to words of love and emotion whispered into it than the right.
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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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Cuddling (or other ‘love’ acts) helps to heal physical wounds faster due to the release of Oxytocin which is proven to reduce swelling.
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Speed dating was invented by a Rabbi in 1999.
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In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
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