"I am a selective repeater. I am a selective repeater so listen closely," he would say. In my sophomore year of high school, one of the most important lessons I had learned was to listen carefully and closely thanks to my biology teacher Mr. Euler. Sure, it sounds simple, but ask yourself on how many occasions you have had to ask someone to repeat themselves again because you did not hear them the first time. If you are like myself, the answer to that would be a countless number of times. Upon sitting down in biology class on the first day of school that year, Mr. Euler had pointed to a wall with numerous papers that each had a different classroom-management expression on it and had assigned each of students to pick an expression, then write