Well since she acted kind of like that after trying to be S from you for 2wks, then don't be surprised that she's not all over you when she first gets back, but it won't last.
Don't get into deep discussions about R and don't discuss the boundary thing tonight. Do it like I said before.
It is not about what you feel should work in your M. It is about doing the work that gets the right results. Do what works!