When decided in adopting a dog, choose dog characteristics and traits that you want. If you lead an active lifestyle for example, do not adopt a dog with a phlegmatic character that will be content to hang around the house much of the time, eating, and sleeping. To select the right dog, select those that closely resemble your lifestyle. Several companion dogs for example the Maltese, terriers and spaniels were breed with the intention of serving good company for refined ladies and gentlemen during the 19th century. Children and dogs though have this natural affinity to each other that popularity of companion dog breeds increased. In the 20th century, middle and lower classes began having companion dogs to chum up with their children. Whatever they lack in intelligence, they compensate with unquestioning obedience and love or at least, the semblance of it. The loyalty that dogs show is a trait that they have while still in the wild where they have to learn to stick together and take care of its other to survive longer. Human sees this devotion and treats dogs as family members. Animal shelter is the way to go when wanting to save a dog's life. Animal shelters don t necessarily keep track of the dog's history so you can expect surprises as the dog grows old with you. Also, they often accept mixed breed dogs or mutts who possess unexpected characteristics. If you are not a big fan of surprises, you can look into the selection of dogs rescue groups have. The Dogo Argentino This is a large athletic and muscular mastiff. Originally bred for hunting big games, this dog is highly tolerant to pain and is very protective and gentle around children. Aside from that, they are very territorial and would protect it without second thoughts once they perceive that the territory that they are tasked to guard against intruders are violated. A fifteen minutes walk will already be enough during the first time out. This could be increased gradually but the dog should be allowed to rest whether it wants it or not. Another reason for this is because of the excitement, the dog will pull hard at the leash that could injure his neck. Even so, the dog will keep on tugging.