Twenty nine percent of women spend more time shopping for shoes than they do looking for a life long mate.
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Couples' personalities converge over time to make partners more and more similar.
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When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
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When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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'X' became symbolic for a kiss because in the middle ages when alot of people were illiterate and they used to sign documents with an X and then kiss it for sincerity.
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Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
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