This is your permanent and unshakable identity: You are God's beloved. Matthew 3:17 - "We are the beloved sons and daughters of God just as Jesus is the Beloved Son" (Henri Nouwen) SO LOVE LOVE LOVE THIS!
Intelligent people ignore...Yes. Let it go, and move on with your life. Then amazingly one day you realize you haven't thought about that negative situation, or that jealous, vindictive person in like forever, and you think, "WOW!! What was her name.