Dog training information can contribute to the healthy and happy relationship between a dog and its owner. Dogs, while they have already been domesticated for such a long period of time, may still revert to old habits due to their genetic memory. A dog may, without the benefit of proper training, relieve itself in various parts of your home, such as your bed or sofa, to mark its territory and try to establish dominance over other members of the household. The dog may also try to intimidate strangers or other people unfamiliar to it by barking loudly or even physically attacking the perceived intruder. You need to properly train your dog to minimize, if not totally eliminate, such incidents.