May parents had the same problem. This must be a generational thing. If a Christian were to commit fornication, they would probably do everything they could to rid themselves of the sin and would ask for God's forgiveness and help immediately. This verse tells us we are to put off anger.
Anger is just as much a sin as fornication.
God wants to sanctify our feelings and emotions as much as our actions. God has given us His Word and His Holy Spirit to empower us to walk free from sins of actions, thoughts and emotions. This too is a term meaning to dress yourself. God did not tell us to do something which is extremely difficult or impossible. It is not difficult to remove your clothes.