When dragonflies mate, their tails form a love heart.
22
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
Cuddling (or other ‘love’ acts) helps to heal physical wounds faster due to the release of Oxytocin which is proven to reduce swelling.
22
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
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
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
Twenty nine percent of women spend more time shopping for shoes than they do looking for a life long mate.
737
Sea otters hold hands while sleeping so they don’t drift away from each other.
104