Dating an unbeliever and refusing to break off the relationship = Brazen conduct = Marking Talk and could even lead to DF'ing as this is wilful disobedience.
Once sat in a JC [as co-Pharisee] where this was applied - Outcome was a Marking Talk as the JW was female - It was intimated that were the JW a brother/servant it could lead to DF'ing. [You can write rules into the Talmud as you go along in the Borg - WikiRulz - self-editing rule book.
With this "ruling" it would be possible to "out" any of us faders as this is wilful [brazen] disobedience of Gods appointed channel - the Slaaaavvvvvve.