dialogue: Vannie: You look tired.
  Noellyn: Yeah, I've been working so much overtime lately.
  Vannie: Really? How come?
  Noellyn: My boss gave me a big project. I had to have it finished by this morning. It was so difficult.
  Vannie: You shouldn't work so hard.
  Noellyn: I know, but hard work pays off. You know.
  Vannie: What do you mean?
  Noellyn: Maybe now I'll get that promotion I was hoping for.
summary: Noellyn looks tired because Noellyn's been working overtime lately hoping for a promotion.