I haven't gotten an adult diagnosis yet, but my therapist and I discussed it because I had wondered what's the point now (I'm 43). The thing she said to me that clicked the most for me was that officially having the diagnosis/"label" would let me join groups that for autistic folks and have some camaraderie.

Sabena. Boston->Brussels in the 90s.

USA, mid-40s. My husband made me buy a manual car 20 years ago and taught me how to drive it. I’ve been driving manual since and love it.