person A: I was a cheater in highs school. I always got some nerd to help me_comma_ bet now I really regret it. 
person B: We all do stupid stuff as kids.  The important thing is you realize how bad that behavior is now.
person A: Yeah_comma_ but that  doesn't stop me from being upset about it. 
person B: I understand regret over previous actions_comma_ but you just got to move forward.