A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
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
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.
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Sea otters hold hands while sleeping so they don’t drift away from each other.
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