How are the greek values of family and perseverance shown through odysseus's return home

Greek people are taught and supposed to treat strangers into there home with nothing but love and care because they thought anyone could be a god. And they didn't want to be punished or anything like that. So when he got home those people treated very porly. His dog on the other hand shows loyalty by remembering him and living on him. The men in the house were sentenced to be killed and he will get his wife back. He must answer a question that only he would know and it's about his bed and how there maid moved it out but then he Denys it because he made there bed out of a tree trunk.