Sea otters hold hands while sleeping so they don’t drift away from each other.
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Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
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Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
Studies show that the risk of a “secret love” being revealed heightens romantic feelings for the partners, thanks to increased levels of phenylethylamine (PEA).
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A poll has found that computer 'nerds' make the best lovers, with 82 percent of IT geeks claiming they put their partner's pleasure above their own.
464
In Korea, there's a man named Lee Jin-gyu who fell in love and married his life-sized Japanese body pillow (called a "dakimakura").
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Couples' personalities converge over time to make partners more and more similar.
235
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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