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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A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
One in five long-term love relationships began with one or both partners being involved with others.
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Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
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Historically, sweat has been an active ingredient in perfume and love potions.
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Speed dating was invented by a Rabbi in 1999.
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In 2010, Gary Richmond was beaten into a coma. He woke up with amnesia and no memory of his wife of 20 years. Subsequently, he ended up falling in love with her all over again!
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In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81