Aggressive behaviour directed at owners is difficult for many owners to understand. Better understanding this type of aggressive behaviour, when and why it can be appropriate behaviour and inappropriate behaviour will help you counsel your clients. Treatment and management of the this type of aggressive behaviour is possible. In many cases, appropriate aggressive behaviour is due to unrealistic expectations of the dog and miscommunication between owner and dog. Good advice can result in a happier, less conflicted household. If a dog's aggressive behaviour is due to an anxiety disorder, proper diagnosis and treatment is often effective.