The Shiba Inu smiles because of its muscle structure

The Shiba Inu has a simple head muscle structure and cannot make various expressions. It can only express joy, anger, sorrow, and joy through body movements. This is why people often see it smiling. , simply because it is doing simple squinting and mouth opening movements, causing the face to look like it is smiling. In fact, the real sign of happiness for a Shiba Inu is not "laughing", but wagging its tail and sticking out its tongue.

Shiba Inu laughs because it dissipates heat

Shiba Inu not only often "laughs", but sometimes sticks out its tongue while laughing. But in fact, the Shiba Inu is not really smiling at this time, it is just passing It just sticks out its tongue to dissipate heat, so the Shiba Inu will stick out its tongue when it needs to dissipate heat. Therefore, people often see the Shiba Inu smiling silly.

Shiba Inu can laugh because the environment forces it

Shiba Inu also has rich emotions and strong learning ability. When it grows up and receives training in a human environment with rich expressions, and then grows up, in order to get With human pampering and food rewards, it will naturally be forced to learn skills such as smiling; and humans will also pamper it because of its cuteness and give it various humanized expressions.