But I knew I’d feel uncomfortable if I stopped working for a fifth of the week, and my business shrunk by a fifth. I didn’t want my business to shrink. Who would? So I spent ages working out how I could become more efficient. Such that I could save a day a week without doing any harm to my business.

http://www.andybounds.com/84/section.aspx/82/huge_time_saving__how_to_save_one_day_a_week