Then you should let her keep up the dancing but change partners if possible. Of course, ideally you should be doing this with her. I forgot in your sitch how far have they progressed their R? Talking to each other is natural especially if you have to be close to the other person to dance the way they do. This would be true for any partner she has.
M-43 W-40 2D - 9 and 5
Emotion, yet peace. Ignorance, yet knowledge. Passion, yet serenity. Chaos, yet harmony. Death, yet a new life.