Dog illness and owner's sadness sentences

First, act very excited, constantly jumping onto the owner's body and walking around them; second, wag their tail continuously towards the owner; third, when the owner pets the dog, it reveals its belly and hugs the owner's hand with its paws; fourth, actively licking the owner's hands or feet, or gently biting the owner, are all expressions of the dog's love for its owner.

Does the dog know when the owner is sad?

Research shows that dogs can perceive their owner's emotions. While they may not understand that the owner is crying, they can still sense it. Dogs express their comfort and attempt to console their owner by licking them, leaning against them, or being cute in front of them. Both humans and animals communicate through emotions, and dogs are sensitive to changes in human emotions.

Does a dog get sad when its owner leaves?

Yes, dogs can get sad when their owner leaves. Dogs are very loyal animals. Once they have identified their owner, they will stay by their side regardless of the owner's wealth or poverty. Some dogs even stop eating when they realize they have been abandoned. Therefore, when the owner takes the dog out for a walk or play, they must hold the leash firmly to prevent the dog from getting lost accidentally.

How do dogs express happiness?