It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
You burn 26 calories in a one minute kiss.
605
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
The average person will go on a date at least 100 times before they finally marry.
33
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
Wearing red increases attraction.
30
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