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“For serious problems you should schedule two sessions a day: half an hour before lunch and half an hour before dinner. Write them down in your engagement book. Give them priority. […] For less serious problems, ten minutes morning and night will get you into trim and keep you there. Or twenty minutes once a day, if that fits your schedule better. And don’t forget the while-you’re-doing-something routines. You can be pampering your body most of the day if you remember them, and your body will be very grateful.”