People in general should really put more thought into the purchasing of a dog. Your dog should be an extension of you and your dog. There is always a certain chemistry between a dog owner and a dog. This is more apparent between some and people and less in others but still there is always an element of this in any dog human relation. The dog you choseshould be chosen with this bond in mind. For sure the breed of dog has an affect on the type of dog and the size, weight and color. The temperament of the dog should also be taken into account. The longer a pet and their master are together the more the pet takes on the temperament of their master. Of course are very sensitive to the feelings of the master and over time this sensitivity cause some of the characteristics to be passed from the master to the dog. Looks while extremely important are not everything. Dog must also be comfortable and safe. The purpose for which you intend to use the dog should also be taken into consideration. Ask yourself questions like. Do you plan to have your dog spend large amounts of time it the or just for short trips? Are you buying the dog for a one time use or will you be moving around with your dog everyday? Is the dog going to be purely functional or just a fashion statement?