When dragonflies mate, their tails form a love heart.
22
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
A Korean man called Lee Jin-gyu fell in love with his large, huggable pillow and married it.
29
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
Erotomania is a type of delusion in which the person believes another person is in love with him/her.
38
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212
The single biggest predictor of love is proximity.
30
Kissing an infection-free partner is good for your teeth!
141