I am overwhelmed by happiness, so you will get many happy facts today!

Otters hold hands when sleeping so they don't drift away from each other. 

Cows have best friends

Norway once knighted a penguin

Dolphins have names for each other

Thousand of trees every year grow as a result of squirrels forgetting where they buried their nuts.

Male puppies, when playing with female puppies, will intentionally let the female win to make them happy. 

Penguins propose by giving their mate a pebble

Rats laugh when tickled!