This, if you look back at his posts over the years, will be very obvious, painfully so.
http://medicalcriteria.com/web/autism5/
Look at all of it, but especially
Section B number 3.
Highly restricted, fixated interests that are abnormal in intensity or focus (e.g, strong attachment to or preoccupation with unusual objects, excessively circumscribed or perseverative interest)
He can not need to focus on it all he wants to. Doesn't mean he'll be able not to. We used to have groups on here, and you could look and see which groups people were part of, which made it easier to be accommodating.
Poor thing! Your family are full of so much
! Prostate problems from wearing? I'm not saying it's impossible, but it sounds like they're
talking!
Look, sweetie, this could be other things, some of which actually require diapers. Either way, you're family need to care enough to realize they can't wish your ABDL gone, and realize your a grown man who has earned a little bloody respect, just like non-disabled adults, and they need some of their own business, so they can stop minding yours!
I feel for your family. You're probably difficult for them to understand, but they're probably very difficult to live with. They need to be giving you agency, and privacy, to whatever degree you're capable of having it.