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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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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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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Sea otters hold hands while sleeping so they don’t drift away from each other.
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Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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Parents receive 1 out of every 5 Valentines.
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