David said to Achish, Therefore you shall know what your servant will do. Achish said to David, Therefore will I make you keeper of my head for ever.
      III. The drawing of the armies, on both sides, into the field (1 Samuel 28:4; 1 Samuel 28:4): The Philistines pitched in Shunem, which was in the tribe of Issachar, a great way north from their country. The land of Israel, it seems, was ill-guarded, when the Philistines could march their army into the very heart of the country. Saul, while he pursued David, left his people naked and exposed. On some of the adjacent mountains of Gilboa Saul mustered his forces, and prepared to engage the Philistines, which he had little heart to do now that the Spirit of the Lord had departed from him.