Why Do Dogs Try To Lick Your Tongue. The lip lick is yet another part of the dog vocabulary as observed and researched by Turid Rugaas which she calls a calming signal. Possible reasons why your dog licks your mouth are that the behavior is rewarded it is looking for attention boredom it is being affectionate or that it is excited. Imagine what they may have stepped in YUCK. Kissing or licking on the mouth is a sociable activity.
Since there are a number of possible causes it would help to consider what would make each of them more likely. However if your dog has chronically dry skin that may warrant a visit to the vet. Its why many people call them kisses Dogs show affection by licking people and sometimes even other dogs. Licking may be a way of playing. Anyone who has ever lived with or around dogs knows that when a dog injures itself it treats its wound by licking it. Theres a pretty good chance that your dog is licking you because it loves you.
In many cases licking is a learned behavior.
But thats not the only reasons why your dog is licking you. Most people would admit to having popped a wounded finger in a mouth at least in their youth. Dogs lick themselves to clean their fur because their tongue offers some antibacterial properties though its a myth that dogs have antiseptic tongues. This is not to be confused with the licking that your dog does. Dogs mouths also contain harmful bacteria which live alongside the good bacteria. Licking seems to be especially prevalent with dogs who are more submissive in nature.