Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
The average person will go on a date at least 100 times before they finally marry.
33
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
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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
Wearing red increases attraction.
30