Do you have friends close enough to be a backup (to not having anyone) if you should feel on the day you need one.
I had a colleague who was mine. We weren't super close or even friends outside of worn per se, but it was peak Covid and if DP got it, I would have been alone. We aren't from the area, new even, and no family nearby.
She and her husband were going through an adoption journey and building evidence of their suitability. She even used a copy of my birth plan as part of their evidence binder.