the country barber

In the country, a barber in a small shed and barber for people.A man who come to barber noticed that there was a dog always like to sit beside the guest chair, so he asked barber: "that is your dog?"
Master replied, "no, it is not my dog, I don't know whose dog, however, it would come every day."
"That you never feed it?"
"No."
"So why it come every day?"
"It is waiting to see if the ear off."