Cross reference
Ecclesiastes 4:11
11 Again, if two lie together, then they have warmth; but how can one be warm `alone'?
1 Kings 1:1-4
1 Now king David was old and stricken in years; and they covered him with clothes, but he gat no heat.
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.
3 So they sought for a fair damsel throughout all the borders of Israel, and found Abishag the Shunammite, and brought her to the king.
4 And the damsel was very fair; and she cherished the king, and ministered to him; but the king knew her not.