Dogs are social animals and as sow tend to be part of a certain group and be accepted in it. That is why they are so loyal and attached to their human. Dogs are also very good at judging ones character. They always tend to go towards the friendliest person in the room to socialize or on the other hand they will barf and show aggression to the one they consider as danger.
This is the story of a loyal dog and his love for his deceased owner.