Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Some British police cars carry a teddy bear to console children after an accident.
46
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
When dragonflies mate, their tails form a love heart.
22
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
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
A group of kittens is called a "kindle".
10