Old habits are strong and jealous. They will not be displaced easily if they get any warning that such plans are afoot; they will fight for their existence with subtlety and persuasiveness. If they are too radically attacked they will revenge themselves; you will find, after a day or two of extraordinarily virtuous effort, all sorts of reasons why the new method is not good for you, why you should alter it in line with this or that old habit, or actually abandon it entirely. In the end you will have had no good from the new advice; but you will almost certainly feel that you have given it a
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