On Friday night, right before Doug went home from his job as a cook, the restaurant manager informed him she would be taking the next two weeks off, and she was appointing Doug to take her place starting Monday. Although Doug has more seniority than the other employees and is an excellent cook, he doesn't feel confident enough to handle the manger's job. Doug doesn't feel comfortable dealing with the customers, using the cash register or handling conflicts that may arise between employees. He feels that he will fail at being able to fill her shoes. Question: What should Doug do?