"Thank you. You're really...awesome." Vivienne looked at Arya and nodded.
Now, as for Arturia. What was Vivienne going to do about her mistake? If she apologied, Arturia might not believe her. What if that only worsened the situation? What if she already ruined a potential friendship? These questions ripped her heart apart, yet she couldn't quit asking herself them. However, it was worth the risk. She absolutely HAD to apologize, or this would be on her mind for a long time.
"Look, I'm sorry, and I mean it."