Service dogs have proven to be helpful to those suffering from seizure disorders, diabetes, or sudden and severe drops in blood glucose levels. For your to be an effective service dog, list all the things your dog will need to learn and to be sure you didn't miss out anything, you can go over the list with another person with experience in training service dogs. By definition, a service dog is a fully trained dog with a near-perfect obedience and special skills who can help someone with a disability or disease with ease. Based on this definition, a dog that has been trained for a single task cannot be defined as a service dog. Once you have a list of what your dog needs to learn, the next step is to start creating a bond with him. Thus, he can recognize when you are relaxed or in need of help. Dogs have a natural tendency to make this observation by themselves. So, you don't have to worry about training him in a special manner for this.You need to bear in mind that it may be difficult for you to train your pet dog to become a service dog. The reason is that your pet dog has mastered your daily routine, so trying to change all of that suddenly may seem like work to him.