https://www.btstories.com/transfer-of-power/

When David became old and frail, he was always cold. Covering him with blankets didn’t help. Finally, they decided to provide him with a nurse that would sleep with him. They found a beautiful virgin and she was his constant nurse. She slept with him, but they didn’t have sex.

Adonijah was the fourth son of David, a younger brother of Absalom. He was just as handsome as his brother. David never disciplined Adonijah, or even corrected him.