Why Does My Dog Lick Everything? If your dog seems to lick everything in sight—floors, furniture, people, or even the air—it can be confusing and sometimes concerning. Licking is a natural behavior for dogs, and in most cases, it has simple explanations. One common reason is curiosity and exploration . Dogs experience the world through their senses, and licking helps them gather information about tastes and smells. Another reason is affection . Many dogs lick their owners as a way to show love, trust, or to seek attention. Licking can also be a sign of stress, anxiety, or boredom . Dogs may lick surfaces repeatedly as a self-soothing behavior when they feel nervous or don’t get enough mental and physical stimulation. In some cases, excessive licking may point to hunger or a craving , especially if your dog is licking areas where food smells linger. However, if the licking becomes obsessive or sudden, it could indicate a medical issue , such as allergies, dental problems...