She is showing dominance. You should strongly discourage this behavior from occuring with ANY dog, you are the alpha in her pack, and allowing her to do this, she may eventually challenge your alpha role, as she is doing with other dogs. Any dog that shows dominance could progress into being agressive or getting bad … Read more
If it is random and isn't continuous, he is showing his affection. In a wild wolf pack, the submissive wolves will lick the alphas jaw to show submission. Him licking you is a sign of affection and submission(he doesnt have to lick your jaw to show submission, it can be anywhere). If this describes your … Read more
Well besides eating a lot, my grandmothers cat had Feline Leukemia and she lost her fur, lost weight and had horrible breath. If its not Leukemia, it could definitely be something internally, which the bad breath is hinting at.