The magazine that they are studying in the congregation this month has an article at the back about how pornography in a marriage could damage the relationship.
There's one piece of advice that sounds rather scary, the WT suggests that the couple should "consider asking an elder with whom you are both comfortable to sit in and guide your discussions for a time."
How many of you would want an elder present in your home while you and your partner discussed your personal sexual cravings and the type of porn videos being watched?