How to correct your dog’s possessiveness
Sometimes a dog will be overbearing and not allow you to touch its things, and will even occupy a certain place and not allow the owner to get close to it, otherwise it will show aggression. To correct this bad habit, you need to let it know who its master is. You can take care of it, don't give it toys, keep it away from furniture, etc., then tie it with a leash and retrain its basic movements until it is quiet and accustomed to its role in the family.