I’m around your age and whilst I have friends who are around your blind dates age, I would never consider a romantic relationship with someone that age. Its not the number of years so much as the generational thing. I have kids older than that and that’s where it goes into weird territory.
Everyone’s different and you do you etc but I’d ask your daughter at the very least to inform the other half of this date how old her date is going to be.
Probably not federated across yet. BTW - you’re better using the right structure for linking to communities in post:
!communityname@instancename.tld