Also, a sick puppy often grows with major health problems into adulthood. Check if the puppy is socialized. Most puppies are energetic and take pleasure in playing around with their owners and other dogs. Although you can't test the true behavior of puppies around people in confined, stressed environments like animal shelters, you can test their behaviors by handling them for a few minutes. When the dog is new to a particular place that has not yet been marked by other dogs, expect the dog itching to mark every nook and cranny of the house, worse, that include the rugs and carpets. The following will walk you through to potty train the pup. Because you are expecting the pup to urinate you could very well anticipate that it is bound to happen. For both people and animals, chemicals are released in the brain creating pleasant associations when positive reinforcement is used. Basically, positive reinforcement is rewarding a dog whether by food, by a hug and embrace, and by play. On the other hand, negative reinforcement is an older technique that basically uses punishment based on the idea that the dog will remember better what it is not supposed to do when it will be potentially be harmed as a result. Although, of course, you should expect an adjustment period before your new dog becomes very comfortable with his new surroundings and family. He has had rough beginnings, which you should understand, will affect your future relationships. You should then be very careful of the first impressions you give him. If you pick the wrong breed, size, or temperament, both of you will likely end up not enjoying each other's company. Each dog breed has characteristics that set it apart from the rest of the canine community. And while the dog's breed helps in approximating the general behavior, temperament, and characteristics of the dog, it still comes down to the individual characteristics of your chosen dog. Roughhouse and tug of war are some of the most popular examples. When the dog starts to nip, it is a signal that the dog have had enough, let the dog rest and do not allow another occasion to reach that point as it also teaches the dog to become dominant. Likewise, do not allow nor encourage wild behavior.