Instead of accepting the job on the spot, he asked for a little time to make a plan. When the manager agreed, the developer estimated the size of the product and, from his PSP data, estimated that the work would take two weeks. When he showed his boss the detailed plan and explained why he needed more time, the manager agreed to two-week schedule. This had never happened to the developer before and he was so excited that he called his coach to tell him. If you want to manage your own work. Make plans for every job and negotiate these plans with your management. Be sure to base your plans on careful estimate, and base your estimate on own historical data. Then, When management agrees to your plan, regularly track and report on your work.