Dogs are not happy with the performance of how to do

Dogs are unhappy when the most obvious performance is to lower the head, tail down, and the owner will be angry with the owner will hide from the owner does not want to be close to the owner; there is a reluctance to move, suddenly become irritable very aggressive, loss of appetite is also the dog unhappy performance. In addition, in suffering from disease, to change hair season dogs will also be in a bad mood, in the dog unhappy owner should be more coaxing, more play with it. As long as the owner more with the dog, the dog will be in a good mood.