Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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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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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 dragonflies mate, their tails form a love heart.
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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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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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