Given the question "What makes the man feel tired?" and the answer "Going over his English.", write a conversation that might have happened.
W: It seems you've burned yourself out.M: Pardon. I'm afraid I didn't quite catch you.W: You look tired. You must have overworked yourself.M: Yes, a little bit. I've been hitting the books all these days.W: Why have you been studying so hard?M: I need to review my English.W: So that's what keeps you so busy recently!M: Yes, I've been tied up with my studies. Now, what worries me a lot is my English.W: But why? Your English is very good.M: Thank you. You are very kind.W: No, I'm telling the truth. As an American, I understand you quite well.M: It's very kind of you to say so.