Terminology is very important, in that it helps us recognize Truth. So, SAA may have good reason for using general terms in meetings, but those terms are not meant for use in our discussions as brothers in Christ. God calls sin sin. He calls it adultery. He does not call adultery a “mistake”, but sin. It is a good mindset to get into by calling things what God calls them, to help you see your actions and thinking through His eyes.
Remember, you are not a victim of your past, because you cannot be an innocent receiver of the consequences of your own choices. You have to see yourself as a man whose identity is in Christ, not in the man of the past. Concentrate on right thinking all the time. Take full personal responsibility for making sinful, detrimental, wrong choices, and determine that you will do differently from now on.