When faced with ____ options, XiangYu proved to a wonderful decision-maker. He took his troops making a _____ into enemy territory. To his troops’___________, he ordered their cooking pots crushed and their sailing ships burned, which gave his troops only one _______: to win the battle. The battle turned out to be a great success on his side. This story indicates that while closing the door for doing something, people may open the _______ for achieving something more significant. Through conducting an experiment on human’s ________ behavior, Dr. Ariely, found that many students in his experiment just couldn’t bear to see their options _______ though they knew it would benefit them to ______. He then emphasizes that in life the doors are actually closing slowly and we don’t see the future vanishing away. To solve this problem, people can balance their lives by reducing ___________options on their own and keeping those activities that will actually enrich their lives. To conclude, we should close certain doors in order to allow the right windows of _______________________ to open.