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
Raj from the Big Bang Theory is married to Miss India.
11
The desire to squeeze and hug cute things comes from the same place in your brain as aggression.
65
Some British police cars carry a teddy bear to console children after an accident.
46
One litter of kittens can be produced by more than one father.
57
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26