why does my dog keep licking me

Dogs lick their owners for various reasons, mostly related to communication, affection, and behavioral instincts. Common reasons include showing affection and love, seeking attention or saying hello, self-soothing when anxious or stressed, liking the salty taste of human skin, and out of habit or boredom. Licking also releases feel-good chemicals called endorphins in dogs, making the behavior comforting for them. Additionally, dogs learn licking from their mothers as a bonding behavior, so licking can be a way for dogs to express companionship and caring. Sometimes licking is a form of communication indicating hunger, thirst, or a need to go outside. On the other hand, excessive licking could signal medical issues such as allergies, skin conditions, infections, pain, obsessive-compulsive disorder, or gastrointestinal problems, which might require veterinary attention. In summary, if the licking is gentle and not damaging, it's usually a sign of affection or communication. If it's excessive or accompanied by signs of discomfort, a vet visit may be warranted to rule out medical causes.