Dr. Spencer Reid:  You know , what if they really are struggling with sobriety ? If they 're really working the program , they could be working on the hardest steps .
Aaron Hotchner: Which are ?
Dr. Spencer Reid: Seven , _ eight _ and nine . Acknowledge your shortcomings , accept responsibility , and make amends . The trouble is , these UnSubs already broke one of the most important steps .
Derek Morgan: What 's that ?
Dr. Spencer Reid: The 13th step . Members are n't supposed to enter relationships with each other while trying to get sober .