We know something isn’t working in our heart by one of three things: We have fresh feelings whenever we think about people or events that occurred a long time in the past; When we have a strong over-reaction to something; When we keep encountering similar negative situations or events in our lives.

Isaiah 43:18–19 - Forget the former things; do not dwell on the past. See, I am doing a new thing! Now it springs up; do you not perceive it? I am making a way in the wilderness and streams in the wasteland