Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Baby rabbits are called kittens.
6
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
The desire to squeeze and hug cute things comes from the same place in your brain as aggression.
65
A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
A puppy is born blind, deaf, and toothless.
16