They're adorable; they don't need to smile. When they do smile, though, it's unusual, slightly scary, and mostly hilarious. Any dog can "learn" to smile, but there are just some dogs that are ...

A dog owner from the United Kingdom shared her ... While this pup seems very happy with his owner, when dogs smile, it may not always be for a good reason. An article shared by Rover, medically ...

"It can be scary when you're in here, so you just try to make it through," Goode shared. "Having a dog, it doesn't care who you are, it just likes you, he brightens your day." The doctor-dog duo ...