Perhaps you have made some unwise choices in your life.
Most people have if they are honest.
You may be waiting for the scales of justice to be balanced or the consequences of your sin to be dealt out to you. It is possible that a person could imagine that God is just biding His time, waiting for the right moment to get back at them. It certainly doesn t come from the Bible. There is no one whose sin is too great for God to be able to forgive. God accepts and forgives anyone who calls upon Him.