Me and my bf are meeting with a couple to discuss ideas for a foursome (mfmf) I’ve never had one before. I really want this to be a shared experience with my partner, a group experience and not just a straight swap. What kind of ideas/positions/boundaries/expectations do I communicate to the other couple?

Obviously there will be swapping happening, but I don’t want one party to be offended if I pay more attention to my own bf sometimes. How do I ask for him back if I feel I need more attention from him, or a check in? What kind of things can we do to maintain connection intimacy between my bf and I while we are fucking other people?

All ideas/positions/tips welcome! Also looking for advice on how to coordinate foursome during the event?