Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
Historically, sweat has been an active ingredient in perfume and love potions.
309
Twenty nine percent of women spend more time shopping for shoes than they do looking for a life long mate.
737
Men who kiss their wives in the morning live five years longer than those who don't.
1k
Men fall in love faster than women do.
32
When dragonflies mate, their tails form a love heart.
22