This document discusses how to train an overly aggressive German Shepherd, noting that while aggression is a desirable trait, it can also be unsafe if not properly trained. It recommends identifying the type of aggression, such as predatory, territorial, or fear-based, which require different training approaches. The document suggests starting training at 8 weeks, socializing the puppy with other dogs, avoiding other aggressive dogs, keeping the dog leashed to help it stay in control, being patient, and not punishing the dog.