There are several things you can do to address behavior issues in your Rottweiler:

1. Ensure that your dog is getting enough physical and mental exercise. Rottweilers are intelligent and energetic breeds, and they need plenty of opportunities to burn off their energy. Try to take your Rottweiler for a long walk or run every day, and provide plenty of toys and puzzle feeders to keep them mentally stimulated.
2. Use positive reinforcement training techniques. Reward your Rottweiler with treats, praise, and affection whenever they exhibit good behavior. This will help them learn what behaviors are desired and encourage them to repeat those behaviors in the future.
3. Identify and address any potential underlying causes for your Rottweiler’s problematic behavior. For example, if your dog is acting aggressively, it may be because they are feeling anxious or fearful. In this case, working with a veterinarian or a professional dog trainer may be helpful in identifying and addressing the root cause of the behavior.
4. Establish clear rules and boundaries for your Rottweiler. Consistency is key when it comes to training and behavior modification. Make sure everyone in your household is on the same page when it comes to how your Rottweiler should behave, and be consistent in the consequences you provide when they exhibit unwanted behaviors.
5. Consider seeking professional help. If you are having difficulty addressing your Rottweiler’s behavior issues on your own, consider working with a professional dog trainer or behaviorist. These professionals have the knowledge and experience to help you identify and address any underlying causes of your Rottweiler’s behavior, and they can provide you with guidance on how to effectively train your dog.