Do dogs smile? Absolutely. Here's what your puppy is trying to tell you when they do it.

Need a pick-me-up today? Watch a video of a smiling dog – it should do the trick. You could go for the dog smiling as his owner takes a selfie or the one where the owner is training their puppy to smile on cue. Maybe a whimsical edit of dogs smiling is your thing, or what will really cheer you up is …