3 So they sought for a beautiful young lady throughout all the borders of Israel, and found Abishag the Shunammite, and brought her to the king. 4 The young lady was very beautiful; and she cherished the king, and ministered to him; but the king didn’t know her intimately.
Matthew Henry's Commentary on 1 Kings 1:3-4
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.