Did King Saul really believe David could beat Goliath?
Your thoughts have substance in your brain. Thoughts change the physical structure of your brain. David's imagination was trained by meditating on God's mission. Even his family could not dissuade him.
Unless you become like a child you cannot enter the kingdom of Heaven. A child has a good imagination and childlike faith.
Can you imagine good things happening to you? What has God deposited in you for the battle this season?
Betrayals have happened to all of us. Have you been offended by someone? Forgiveness is important to move forward into joy. There are reasons we don't forgive. It gives energy. If you are energized by being critical of others, you may have someone to forgive.
Bitterness is like poison you drink while hoping someone else dies. If you don't forgive, your relationships will suffer.