If you are lucky enough to get a 7-week-old puppy, there is no excuse for any bad habits to develop over his lifetime. Puppies learn INSTANTLY when they are that young, and if you use the proper training methods, gentle but consistent, he will behave like an angel his whole life through.The most important training, of course, is housebreaking. Boys are easier than girls because exploring outside is their favorite thing. They just cannot get enough of all the new smells out there!The main key ...