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When thinking about quitting(停止) smoking…
List all the reasons why you want to quit. Every night before going to bed, repeat one of the reasons 10 times.
Decide positively that you want to quit. Try to avoid negative thoughts about how difficult it might be. Develop strong personal reasons as well as your health and responsibility to others. For example, think of all the time you waste taking cigarette breaks, rushing out to buy a pack, hunting a light, etc. Set a date for quitting --- perhaps a special day like your birthday, a holiday. If you smoke heavily at work, quit during your vacation. Make the date holy seriously, and don't let anything change it. Begin to condition yourself physically; start a modest (适当的) exercise; drink more water; get plenty of rest.