2 Absalom used to rise early and stand beside the road into the gate; and when anyone brought a suit before the king for judgment, Absalom would call out and say, "From what city are you?" When the person said, "Your servant is of such and such a tribe in Israel,"
Matthew Henry's Commentary on 2 Samuel 15:2
Commentary on 2 Samuel 15:1-6
(Read 2 Samuel 15:1-6)
David allows Absalom's pomp. Those parents know not what they do, who indulge a proud humour in their children: many young people are ruined by pride. And those commonly are most eager for authority who least understand its duties.