It's My Stomach
Prof: Why were you absent from class yesterday,Paul?
Paul: My mother was sick. I had to take care of her.
Prof: That was very kind of you,Paul.
Paul: Oh,no,sir. Every boy should take care of his mother.
Prof: The day before yesterday you said your father was sick.
Paul: I did?
Prof: Yes,you said you had to take care of him,too.
Paul: Oh... Yes. That's right. He was sick,too.
Prof: How are your father and your mother now,Paul?
Paul: They're fine,sir.
Prof: That's good. Tomorrow we're going to have an exam.
Prof: What's the matter,Paul?
Paul: It's my stomach. I think I'm going to be sick tomorrow.