It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
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
Speed dating was invented by a Rabbi in 1999.
45
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
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
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