[He'll follow behind her, he's not sure he's going to need her permission to enter the UP this late at night but he'll act like he just belongs.]

Ah yes, I was designated Submissive, [He will loosen his tie and lift his chin to show the pink mark down his throat] and thank you? I guess. I'm not sure you can really tell with a lot of people. It's why this place needs the marks I think.

I would not offer if I was not okay with it. Consider this a request to get to know you better perhaps?