Dogs will be sad when they lose their companions. Some dogs may even go without eating or drinking for several days, or even suffer from depression. Owners should pay more attention to the dog's diet and can change the structure of the food to increase the dog's appetite. You should spend more time with your dog and play games and interact with it. If a dog's companion dies, it is not appropriate to adopt a pet immediately as the dog will feel violated.

Solutions to a sad dog:

1. Let the dog have friends. Dogs are social animals. They like to play with their partners and don't like to be alone. Find opportunities for your dog to play or run with other dogs. With the company of friends, your dog will not feel lonely and will become happier.

2. Maintain a regular life. It is necessary to understand the dog's emotional changes in time and help it through the adaptation period. You can let your dog maintain a regular life, feed it at regular times every day, take walks at regular intervals, and sleep at regular intervals, so that it can gradually adapt to new life changes and slowly become happy.

3. Go out and play with the dog. You can take your dog outside to breathe fresh air, go for a walk or run, which can help your dog relax and slowly become happy.

4. Chat with the dog. Talk to your dog often. In fact, when you chat with your dog, you will find that they will be very happy, no matter it is annoying or happy.

5. Give the dog food he likes to eat. Dried meat or other dog’s favorite food can immediately make the dog interested and energetic.