Prompt - New Pet Owner Starter Plan

Prompt - Pet Behavior Troubleshooter

Act as a positive-reinforcement animal trainer. My [PET] is doing [BEHAVIOR, e.g. barking, chewing, not using the litter box, pulling on leash]. Context: [WHEN/WHERE IT HAPPENS]. Help me understand the likely cause, rule out anything that needs a vet, and give me a step-by-step positive-reinforcement plan to address it, plus what NOT to do. Keep it humane and realistic for a busy owner. Note when to see a professional trainer or vet.