When David was told, “Ahithophel is among the conspirators with Absalom,” he said, “O Lord, turn the counsel of Ahithophel to folly!” David and Hushai.
but if you return to the city and say to Absalom, ‘Let me be your servant, O king; I was formerly your father’s servant, but now I will be yours,’ you will thwart for me the counsel of Ahithophel.
Ahithophel replied to Absalom: “Go to your father’s concubines, whom he left behind to take care of the palace. When all Israel hears how odious you have made yourself to your father, all those on your side will take courage.”