When a teacher asks a student what they can do to better prepare for the next exam, there are a few standard answers they are probably expecting to hear. The most obvious answer would be to study harder. Another would be to work on memorizing key terms, doing more practice, reviewing the homework assignments, etc. The last thing a teacher expects to hear in this scenario is this Redditor's answer. He said that all he planned to do next time was bring a watch. That's because, during the midterm,…