Two in five people in the world marry their first love.
270
When dragonflies mate, their tails form a love heart.
22
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
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212
Kissing an infection-free partner is good for your teeth!
141
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234