A: I was going to be a doctor. B: What happened to your plans? A: I got a D in college chemistry. B: Well, a D is better than an F. A: A tutor helped me get the D! B: So, you didn't become a doctor. A: And now I'm glad that I didn't. B: Why's that? A: A hospital is the most dangerous place in the world. B: Oh, yes, because of all the killer germs. A: If you're a smart doctor, you stay away from hospitals. B: Yes, the smart doctors are those TV news doctorsâno hospitals, no patients.