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
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
10
When dragonflies mate, their tails form a love heart.
22
The desire to squeeze and hug cute things comes from the same place in your brain as aggression.
65
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10