Historically, sweat has been an active ingredient in perfume and love potions.
309
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
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
'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
The single biggest predictor of love is proximity.
30
The left ear is more responsive to words of love and emotion whispered into it than the right.
40