Sunday's are generally the only night I watch TV...but thanks for asking.
Whoa...why does she believe you to both be seeing other people? That right there alone is enough to make not only Denmark stink (and hey NYS, I have to be of Danish descent, or did you know that?) but all of Scandinavia.
So let's touch on this a bit...did she find out about your alleged and very non-existent A before or after she started hers...and of course I have to ask...what were you thinking my friend? Because this alone would give her all the reason to roll her eyes about om...and get your attention back to where it should be, on her.
I think the wording that you have is not very threatening...she could very well be respectful of that Vince. I would see no reason for her not to be. It's not a demand...it's a request. Big difference. It shows respect for you, for her and for the M. See the difference?
