Rottweiler Relax Dog AromatherapyIs Your Normally Brave Rottweiler Afraid of Thunderstorms? Anxious When Alone? Rottweilers are not the first dog that comes to mind when you think of a dog that is afraid of ANYTHING. They are normally brave to the point of fearless. But that does not make them immune to stress or fear triggers. And when your Rottie is frightened, they need to be supported just as much as the terrified Toy Poodle next door. The most common canine fear triggers are;