Wearing red increases attraction.
30
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
Men who kiss their wives in the morning live five years longer than those who don't.
1k
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130