Sean Covey wrote in his article that he believes teenagers should develop good habit to be effective. Firstly, he listed some problems and complains that teens had in nowadays. According to this issue, he would like to give them suggestions in order to educate and encourage them. Then, he provided 7 habits which are 1. Be proactive; 2. Begin with the end in mind; 3. Put first things first; 4. Think win-win; 5. Seek first to understand, then be understood; 6. Synergize and 7. Sharpen the saw. And with a tree diagram to illustrate step by step. Thirdly, he gave some examples to prove that good or bad habits would influence people strongly, but people could always change their bad habits to good. That is to say, people could easily control themselves. As a result, throughout the text, Sean Covey not only gave teens advices but also gave them hope which could help them to overcome any obstacles.

                                                                                                JACKY