Because dogs cannot survive without humans. After all, dogs are domesticated by humans through wolves. In their cognition, humans are the source of food for them. If they are separated from humans, they will not have the ability to hunt independently. Yes, they will naturally be loyal to people, otherwise death will be waiting for them.

Tip:

Loyalty scenes in movies are rare. Dogs in reality are not so affectionate. They are often so close to us in order to survive. .