In Korea, if you do not receive any gift on Valentine's day then all the singles go to Korean restaurants and eat black noodles to celebrate (or mourn) their single status.
28
The average person will go on a date at least 100 times before they finally marry.
33
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
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
Wearing red increases attraction.
30
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44