The two waiters inside the cafe knew that the old man was a little drunk. He was always drunk. He often stayed in the cafe very long. and while he was a good client they knew that if he became too drunk he would leave without paying, so they kept watch on him.
The younger waiter wasn't happy with this customer. He wanted to come back home. The older waiter was very patient to the old man. He tried to make the younger waiter calm dow and be patient like him.