A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
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The single biggest predictor of love is proximity.
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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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'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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Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
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In 2012, a Chinese man named Xiao Fan had a dress made out of 9,999 red roses for his girlfriend and then proposed - 9 in China means forever
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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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There's a love mattress that is specifically designed for couples who sleep on each other's arms.
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