I know how hard it is not to bring up the R problems. It would KILL ME! But, it only causes more tension, arguments, etc.
As for not being mysterious, I say do what works. The two of you had a good evening. If there is no cheese at the end of the tunnel, don't do it......but it appears you found some cheese that night....LOL. So, maybe he likes being around you in a group of fun people and a fun setting. It sets the pace for him and then the two of you carry that nice feeling with you right into the bedroom.
Part of DBing is experimenting on what works for your stitch and what doesn't. One size doesn't fit all, as you've heard.
Take care, Sandi
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!