Couples' personalities converge over time to make partners more and more similar.
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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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Sea otters hold hands while sleeping so they don’t drift away from each other.
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Speed dating was invented by a Rabbi in 1999.
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If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
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People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
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When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
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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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