Parents receive 1 out of every 5 Valentines.
20
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
Historically, sweat has been an active ingredient in perfume and love potions.
309
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 1999, a fisherman found a love letter in a bottle from a soldier in WWI. He returned said letter to the now deceased widows 86 year old daughter.
27
Two in five people in the world marry their first love.
270