Debate with yourself about your options. Ask yourself questions about whether you are ready to commit yourself to a particular dog. If you have doubts, even the slightest one, you should delay you decision. It is never a good idea to rely a lifetime commitment on a spur-of-the-moment decision. Remember your game plan and stick with it. There are, in fact, dogs in animal shelters that have been trained for specific functions. If you need an assistance dog such as a guide dog, a service dog or a hearing dog, you can begin your search in animal shelters. You can save the life of a poor dog. Because of overpopulation, some shelters euthanize their dogs mostly senior and adult dogs. Grooming and maintenance High-maintenance or low-maintenance? Exercise needs Plenty or not so much? Age Puppies, adult or senior? You can do no wrong if you categorize the available dogs in the rescue homes or animal shelters under these criteria. Source Of The Dog There are, in general, three places from where you can adopt a dog from an animal shelter, from a breed-specific rescue group, and from general rescue group. Be prepared to do plenty of obedience training to curb their small dog aggressiveness. Mid-size dogs, on the other hand, are ideal for most kinds of keepers from children, adult to old people. As middle range dogs, they tend to get along with all sorts of training, environment, and people. Although, these benefits do not apply to all mid-sized dogs. For people that want to exercise fun and creativity, doghouse styles could be constructed to look like a miniature single room white house complete with a blue room or just have the blue room instead. It could even look like the basic structure of your house with the inside looking like your room. It could be constructed to look like a chalet, a lean to, a box or a cage. While they are not ideal around children because they move very fast, they are good company to older people who could use extra cheer around the house. One of the downside to having a companion dog is that because of their size, they are vulnerable to larger animals. When you are located in areas where winters could be very cold, you would want to consider companion dog breeds that are fluffy or are longhaired.