When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
The average person will go on a date at least 100 times before they finally marry.
33
In 2012, a Chinese man named Xiao Fan had a dress made out of 9,999 red roses for his girlfriend and then proposed - 9 in China means forever
16
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
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
Wearing red increases attraction.
30
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14