12 Reasons Why Dogs Are Man's Best Friend

When you’re happy, your dog is ready to help you celebrate. On your worst day, your dog will greet you with a wag of the tail and a lick of the hand. Even when you are grumpy, a dog will look at you with love.

When it comes to animals, a dog really is man’s best friend. They have a blend of qualities that other species simply do not. It’s no WONDER then, that people thought of them as a best friend. But when did the friendship start?