Papillon dogs are originally dogs that don’t like exercise, so they are lazier than other dogs. Moreover, a three-year-old dog is equivalent to a human being in his twenties, and his personality is calmer and quieter, so it is normal that he does not like exercise. of. If your dog suddenly doesn't like to exercise, you need to observe whether there are other abnormalities in the dog. It may be physical discomfort caused by certain diseases, which makes the dog not like to exercise.