a veterinarian gently strokes a golden retriever's head, showing a close-up of the dog's loving eyes

veterinarian golden retriever dog gently stroke head show close love companionship bond reassurance canine cuddle playtime medicine welfare animal veterinary anatomy labrador obedience caregiver contact friendship positive nature therapy reinforcement diagnosis companion compassion clinic behavior pup paw visit doctor warmth interaction owner trust practice affection emotion puppy furry friend adult strokes 39aph39 showing closeup loving eyes generative