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
'X' became symbolic for a kiss because in the middle ages when alot of people were illiterate and they used to sign documents with an X and then kiss it for sincerity.
255
Erotomania is a type of delusion in which the person believes another person is in love with him/her.
38
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
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.
27
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4