If it's sin, that's good news! Sin is the simplest thing in the world to deal with.
Anger is inside you, revealed by an outside source.
Jesus wants to give you peace.
Finding relief in your problem is fine, but it will not cure the problem.
You would think that everyone would leap at the chance to get rid of sin. Not so. They want relief not a cure.
Biblical counseling is listening to a person long enough until you hear a violation of scripture.