Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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There's a love mattress that is specifically designed for couples who sleep on each other's arms.
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One in five long-term love relationships began with one or both partners being involved with others.
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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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Sea otters hold hands while sleeping so they don’t drift away from each other.
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The single biggest predictor of love is proximity.
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In 1999, a fisherman found a love letter in a bottle from a soldier in WWI. He returned said letter to the now deceased widows 86 year old daughter.
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When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
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