"All the more reason to spend some quality time together then." Not that Vivienne has any blood relations that she remembers, having been reared entirely within the Circle, but she imagines it must be quite difficult being away from them all the same. Certainly the time apart from Bastien is taxing for her, though it must be suffered for the greater good. "How good it is of you to come here, working to restore order to Thedas. Do you find yourself missing home?"

That's genuine concern there and not just prying for more information. Despite her nickname with the court, Vivienne is genuinely concerned for the well-being of the others present and not wholly for self-serving reasons.