3 And they seek a fair young woman in all the border of Israel, and find Abishag the Shunammite, and bring her in to the king,

Matthew Henry's Commentary on 1 Kings 1:3

Commentary on 1 Kings 1:1-4

(Read 1 Kings 1:1-4)

We have David sinking under infirmities. He was chastised for his recent sins, and felt the effects of his former toils and hardships.