When Abigail saw David, she hurried, and alighted from her donkey, and fell before David on her face, and bowed herself to the ground.
"Upon me alone, my lord, be the guilt"  (1 Samuel 25:24).  Abigail's action in these words took upon herself the guilt of her husband, hoping in this to save his life, and this in spite of Nabal's unworthiness.  A more noble act of self-sacrificing love would be hard indeed to find.