When the servants of David were come to Abigail to Carmel, they spoke to her, saying, David has sent us to you, to take you to him as wife.
So Abigail is there pleading with David. Beautiful woman, has brought all of these things, and she is making good sense. "You know why should you avenge yourself. God will avenge you David. He's taken care of you, and so forgive the foolishness of this foolish man."