Background: I met my friend Sean in 2017, we became close quickly he is my best friend and like an older brother.
We have been in multiple shows together, and started a theatre company together. In 2019 he was part of my support team (with S.O & future SIL) while dealing with counselling for an assault and rescued me & drove me around after I was t-boned. That fall I told him during a conversation (with fiance there) that I want him in my wedding party (not S.O's side).
We hadn't actually started booking anything before covid (just preliminary planning) so now that we finally started planning, S.O is hesitant about having Sean involved because we've only talked to him or seen him 3 times since covid. I know it's hit him really hard because his mother got really sick just before covid.
I've only had one good friend my whole life (my MOH) and I met her in high school. I can't imagine not having Sean stand up with me, but S.O keeps making comments of "we'll see if we ever hear from Sean again" and "we have barely heard from him in a year". S.O keeps recommending I have his BFFs wife stand up with me, she's nice and we get along, but I couldn't imagine with being in my wedding party.
This is really important to me, everything else we have been compromising on. If Sean himself backs down, fine but S.O doesn't want to even want me to reach out and ask if he still wants to be in the wedding party.
Any advice?
(Please no comments of are you in love with Sean, or is S.O jealous. All 3 of us have had discussions of this and the perceptions of a hetero-normative society. )