You can turn around and tell her that I want to talk to her.

[If he hadn't already been told to, y'know, not come into the building or come within five hundred feet of her, the apartment, or her office then he could use security as a threat. Taking a deep breathe Christian visibly attempted to calm himself.]

Look, I'm just her boyfriend, and I need to clear something up with her.

[A bold-faced lie, but he's clearly trying to relate in some sense, which just makes it all the more ironic.]