也许你曾经失败
Perhaps you have failed before
以上为机器翻译结果，长、整句建议使用 人工翻译 。
而如果你从未尝试过改变自己的习惯，做些研究吧，去了解那些曾经成功或失败的案例，从中找到那些你也许会遇到的业障。
If you've never done this habit change before, do some research and read about others who've succeeded and failed at it, and find out what obstacles you should expect.
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