"How Porn Can Help Your Relationship" by Dr. Joe Kort

http://www.alternet.org/sex/147827/how_porn_can_help_your_relationship/?page=entire
Joe Kort, L.M.S.W., is an adjunct professor at Wayne State University's School of Social Work and the author of Gay Affirmative Therapy for the Straight Clinician: The Essential Guide. He's currently working on his doctorate in clinical sexology.
The argument that porn takes away from a relationship and encourages emotional distance doesn't do justice to the trust that can be created though honest discussions about porn.