40% of people who are rejected in romantic love slip into clinical depression.
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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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A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
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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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8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
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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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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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