Dr. Pediatrician: Your test is negative. You probably don't have strep throat.
Emily: Oh, that's too bad. I wanted to take medicine and feel better in one day.
Dr. P.: Hmmm.
Lisa: It seems some people get strep and others just don't.
Dr. P.: Yes, it's true. Just like ear infections. We don't know why.
Dr. P.: Any other questions?
Emily: Yes. Why do humans cry when they are sad?
Dr. P. : Um... I don't know. I don't think anyone knows.
Emily: I think it's because... (very long explanation neither he nor I could follow)
Dr. P.: Interesting. I'm going to have to think about that.
Emily: Okay. Bye!
Dr. P.: (charmed) Bye!