A: Would you put suntan lotion on my back, please? B: Sure. A: Thank you. B: You shouldn't lie in the sun for too long. A: I want to get a tan. I don't want to look so pale. B: What's wrong with looking pale? A: People think you might be sick. B: Who thinks that? A: I don't know. B: It's better to be pale than to have skin cancer. A: I know that. B: So why are you arguing with me? Don't lie in the sun too long!