A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
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
Baby rabbits are called kittens.
6
There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
40
Dolphins have names for one another.
18
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13