'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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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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When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
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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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Men who kiss their wives in the morning live five years longer than those who don't.
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40% of people who are rejected in romantic love slip into clinical depression.
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Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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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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