A stock image of a Chihuahua puppy. A Chihuahua puppy converted a man into a "dog person" in a viral Instagram video. Ratchat/Getty Images. It's well documented that dogs can make us happier, but ...

Yes, it’s true — puppies are incredibly cute! With sweet, curious eyes, and paws too big for their little bodies, their charm is all but impossible to resist. But, when it was time to adopt a ...