Sorry, it's still awfully early.
Okay, so, I'm leaving my previous post for a moment to ask a different question that I think I should have asked first, and haven't.
How do you define a 24/7 BDSM relationship? Master/slave? What are the qualities that make someone in one of those relationships? (And you can't wussy out and say 'if they say they are', because that's cheating. Also, that's the answer I tend to use. :)
(This was all inspired by
teine in backscroll.)