Well, first of all, David was an adulterer and a murderer.
Fear is a waste of time and energy.
Yet, we allowed those shadows and vain imaginations to paralyze us. To stop us from getting outside of our comfort zone and beyond ourselves. This is not the magic lantern approach to a genie god, where we rub the lantern and get three instant wishes. If we seek the Lord, He will answer. He probably will not give the complete answer at once, and He probably will wait until we have really focused upon Him for a sustained period of time.