A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
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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.
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Historically, sweat has been an active ingredient in perfume and love potions.
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A Korean man called Lee Jin-gyu fell in love with his large, huggable pillow and married it.
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Kissing an infection-free partner is good for your teeth!
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When dragonflies mate, their tails form a love heart.
22
The left ear is more responsive to words of love and emotion whispered into it than the right.
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In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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