If a puppy changes its owner, it will adapt quickly. It is very difficult for an adult dog to change its owner. It will not eat or drink, and its energy will decline. The new owner needs to spend more time and energy to accompany the dog. Dog, so that the dog can slowly accept its new owner. During this period, you can buy toys and snacks to attract the dog's attention, and play with the dog. Over time, the dog will take the initiative to get close to you and stick to you.