8 But Abner son of Ner, commander of Saul's army, had taken Ishbaal son of Saul, and brought him over to Mahanaim. 9 He made him king over Gilead, the Ashurites, Jezreel, Ephraim, Benjamin, and over all Israel. 10 Ishbaal, Saul's son, was forty years old when he began to reign over Israel, and he reigned two years. But the house of Judah followed David. 11 The time that David was king in Hebron over the house of Judah was seven years and six months.
Matthew Henry's Commentary on 2 Samuel 2:8-11
Commentary on 2 Samuel 2:8-17.
(Read 2 Samuel 2:8-17.)
The nation in general refused David. By this the Lord trained up his servant for future honour and usefulness; and the tendency of true godliness was shown in his behaviour while passing through various difficulties. David was herein a type of Christ, whom Israel would not submit to, though anointed of the Father to be a Prince and a Saviour to them. Abner meant, Let the young men fight before us, when he said, Let them play before us: fools thus make a mock at sin. But he is unworthy the name of a man, that can thus trifle with human blood.