But the king covered his face, and the king cried with a loud voice, O my son Absalom, O Absalom, my son, my son!
The king covered his face - one of the usual signs of mourning (see the notes at 2 Samuel 15:30).
Related Commentaries of 2 Samuel 19:4
2 Samuel 19:4
4 But the king covered his face, and the king cried with a loud voice, O my son Absalom, O Absalom, my son, my son!