Solutions to unhappy dogs:

1. Comb your dog's hair. Combing can also stimulate the dog's hair follicles and skin and promote blood circulation.

2. The owner can play games with the dog and vent his energy through the game.

3. The owner can train the dog more and teach the dog some basic commands, such as sit down, lie down, shake hands, etc.

4. When the dog is unhappy, giving him some snacks to coax him is the most effective way.

5. You can also buy toys that your dog likes to play with, so that it will feel happy and excited.

6. You can also feed the dog, tempt it with food, and arouse its interest.