Bitterness or Good?

Could it be that bitterness develops when the Christian refuses to see the hand of God in everything in his or her life?

And we know that all things work together for good* to them that love God, to them who are the called according to his purpose. Romans 8:28

Which one is true of you?

*Good in Scripture refers to that which accomplishes God’s purpose.

…let the word of Christ dwell (take up its life) in you richly…