Wearing red increases attraction.
30
The left ear is more responsive to words of love and emotion whispered into it than the right.
44
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
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
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
'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
In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
456