A: Why did you fall asleep in class today? B: I stayed up late playing Farmville. A: What is that? B: A game on Facebook. A: You play too many games. B: You should play with me sometime. A: No way! I don't want to. B: Why don't you? A: I don't want to be a zombie. B: What's a zombie? A: What you'll become if you play too many games! B: I guess I should play less often.