Many months ago I suggested you allow private messaging because I thought you sounded like me that way, I'm not surprised.
My husband is great without a diagnosis, he knows I start to freak out in crowds or if the noise level is high or if the lights are weird, he is protective. Early in our marriage I think he doubted it was real, but after 28 years living together he knows how real this is for me and also how unbreakable my interest will be in whatever it is that catches my fancy for a year or three. Between you, me and the internet, I think my husband is probably on this spectrum too, he is the clown who never really connects with anyone deeply and my unwavering loyalty to him and our kids has made him trust me while he trusts noone else. After we learned how to communicate with each other, lol, I could have killed either me or him early on, but we worked it out and are inseparable now. I took to writing him letters early in our marriage because I express myself ten times better in writing than face to face (love the internet, lol) and he slows down enough (he defo has ADHD) to read and listen to written words without being thrown off by facial expressions he misunderstands. Our sons are all pretty intense too, only one has diagnosed special needs, he's living with his girlfriend now, so that's all good.
I'm not all that bothered what anyone else thinks, I don't bother with other people much. I've discussed it with a doctor (different speciality) and he said he certainly saw why I would think of autism, but he thought my symptoms could be anxiety instead. I'm anxious when other people are about, unless I have a drink, a vape, a toke, a snort or a pot of pod tea, then I'm fine.
I already have a disabled badge for my car and a medical excuse for my laziness. The other diagnosis makes autism more likely, they often run together. The only time I would be persuaded to get an autism diagnosis would be if I were up in court for something I'm obsessed with at the time, like my current hobby of getting off my face even more efficiently than I did yesterday.
I really think it is a huge part of the reason we can't break out of the patterns of behaviour we have, change doesn't come quickly or easily.