2 Wherefore his servants said unto him, Let there be sought for my lord the king a young virgin: and let her stand before the king, and cherish him; and let her lie in thy bosom, that my lord the king may get heat.

Matthew Henry's Commentary on 1 Kings 1:2

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.