It sounds like you have some lovely family plans for Mabon, @PuppetMama!
Congrats on the one year of shared celebrations- that is truly lovely. And the feast sounds like it will be amazing- and I’m also curious about honey dabo! 
While you are very organized and plan the food, I think that lighting candles and going around in a circle to share thoughts might be the spontaneity your husband craves- he can share whatever he’d like, inspired in the moment during this activity!
It sounds like a very good balance 
I finished my Mabon altar last week, so this week I will be cooking dishes to celebrate and making offerings to the altar!
I also plan to do a gratitude meditation each night before bed to think back on all the blessings I have 
Wishing you a wonderful and blessed Mabon! 