The main reason why dogs favor their owners is because they are strongly dependent on their owners. Dogs are social animals and they need someone to care for them, protect them, and interact with them. When dogs find someone they can rely on, they develop a sense of loyalty to that person. In addition, dogs can also be partial to their owners because they feel that their owners are members of their family.
There is a deep historical connection between dogs and humans, so they will regard their owners as their own family. In addition, dogs will be partial to their owners because they think that their owners are their leaders. Dogs are social animals. They have a strong sense of social structure and regard their owners as their leaders. Generally speaking, the reason why dogs prefer their owners is that they have a strong sense of dependence, loyalty and respect for their owners, and regard their owners as their own family members and leaders.