Aggressive or reactive behavior is one of the most common dog behavior issues I see in my work as a dog behavior consultant. This is likely due to our increasingly restrictive urban environment. Many dogs are frustrated, excited, or even fearful at the sight of other dogs. These strong emotions can manifest as barking, lunging, and generally behaving aggressively towards other dogs. So, what do you do when your dog is seemingly aggressive or reactive to other dogs? The first thing to understand when dealing with a leash reactive dog is that they are really struggling emotionally in most cases.…