The doer is the personal self and this self wants everything to be under conscious control. A Course in Miracles teaches us that, "Miracles are habits, and should be involuntary. They should not be under conscious control." (ACIM, T-1.I.5:1-2.) There is no formula on how to undo the doer, it has to be under the Holy Spirit's guidance. You cannot take personal responsibility for the seeming journey. You cannot as a person direct the undoing because the person IS the doer! Listening and following the guidance of the Holy Spirit and the practical application . . .