A sign of submission
It’s important to remember that in the wild, dogs also use licking to show submission to a more dominant member of the pack. When a dog licks the face of a fellow dog or human, it’s acknowledging their leadership status . If your dog licks you often, it may be their way of telling you that they consider you the leader of their small tribe .
A request for attention or food
Sometimes, this gesture also hides a simple request: a little food or attention . If your dog licks you after eating something tasty, it’s possible he’s trying to catch some leftover flavors on your skin. Or, he’s simply trying to catch your eye to get a few more strokes .
The toy brought: a sign of sharing or a call to play

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