Formal training can begin after he is the proper age. It may seem difficult for you to wait so long, but wait you must. A young Saint can permanently damage his soft bones if asked to do too much too early. Saints have such big hearts that they will attempt to please the master no matter what the cost. Lack of sufficient exercise is the most common reason for objectionable behavior.
Good behavior requires good exercise, good health, good nutrition and good training.
There are few things which get on our nerves more than a dog's constant and incessant barking. On the other hand, it is reassuring to know he will bark when a stranger approaches. He barks to come in or go out. When the barking goes on and on and on, if he barks at every little thing and when you fail to notice him, in the car, or when left alone, you need to deal with it. When you leave, turn on a radio.