Loyalty is what endures in the end because he is determined to return home to his wife despite all of the obstacles in his way.
Personification because cattle cant be dumb or driven cause those are human traits!
Basically twice means 2 in these sentence twice means more than he earn in short words he wants to say that he wants to earn more than he is earning now
for example someone is earning $500 every month so he want to earn $1000 every month
