'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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Wearing red increases attraction.
30
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
Men fall in love faster than women do.
32
Studies show that the risk of a “secret love” being revealed heightens romantic feelings for the partners, thanks to increased levels of phenylethylamine (PEA).
99