flashing her pointy little teeth with subtle aggression but zero harm. The text over the video, which her dog parent recorded, read, “POV: Your mini Dachshund has a happy smile.” Meanwhile ...

Your dog's "smile" could actually be a sign of a health ... They can also understand and respond to human emotions - though not necessarily with the same depth of understanding that we might ...

But is your dog really "smiling" in the way humans understand it ... by pulling one or both lips back and may show all or some teeth. This smiling is accompanied by other greeting behavior ...