For those with autism. May I ask you a couple questions? Please tell me if this is not appropriate. As a non-autistic parent with two autistic children I want to learn how to communicate better to try break the cycle of stuffing. My ex will not admit to me or himself he is autistic, but I see the same patterns in him as I do the children.
I honestly think the best thing you can do if you don't understand what an autistic person is saying is to ask point blank. A lot of NTs don't want to probe or ask questions because they think it's rude or confrontational, but I don't see it that way. Another thing I would love, is if people could actually try to explain why they find certain things I say or do offensive or inappropriate or confusing. I mean, REALLY explain it, not just say, "I don't know" or "That's just how it is." Most autistic people aren't malicious and aren't intentionally trying to be rude or oppositional- we just genuinely don't get it.
So, we keep repeating the same blunders and social faux pas again and again without ever fully grasping what the issue is because people seldom actually explain it, leading to constant misunderstandings, conflict, confusion, and, frustration. This cycle then leads a lot of people on the spectrum into the social isolation that we're infamous for.
I know for me personally, "That's just how it is" isn't enough for me to stop doing something, especially if it doesn't appear to be causing harm to anyone or anything, it feels logical to me, and I perceive some benefit in it for myself or for the other person. I like to understand the why behind people's reactions, not to try to make them justify why they're offended or upset or uncomfortable, but simply because I want to understand. This alone has gotten me into a lot of trouble, sadly, because it comes off as defiant. I know other people on the spectrum who have encountered the same issues. So yes, in that sense, I find it easier to communicate with other people on the spectrum because I find that they don't offend as easily when I do things in a strange way or when I screw up communication.
The biggest thing I wish people could see is that I do have a strong sense of integrity, I do have empathy, and I do try my best to navigate this world with kindness. Socializing just doesn't come naturally to me, and it's confusing and difficult for me to adhere to all of these strange social rules and customs when they don't make a ton of sense to me. That might sound selfish, and maybe it is in a way, but it's not done with malicious intent. Most autistic people are just trying to feel comfortable in this world. And, what feels comfortable for us often conflicts with societal norms. I think the kindest thing to do for your children would be to allow them some leeway to be weird and quirky and follow their own little rituals, whilst providing clarity and guidance for them on how to navigate the basics of the social world and how to follow the bare minimum in order to avoid hurting or overly offending people. Another key would be to provide alternatives to behaviors that are truly problematic, in additional to explaining why the behavior in question needs correcting.
For example, for years I would hug people at inappropriate times, such as at work or in front of their significant other. I never meant any harm in it, but people would get offended and cut me out of friend groups or avoid me outright. Nobody ever told me why; they just assumed that I knew that hugging was inappropriate in certain contexts and that I was just choosing to go against that because I wanted attention, I didn't respect boundaries, or I just wanted to flirt. If someone had pulled me aside and calmly explained where I went wrong, I would have understood the harm in it and modified my behavior. But, because no one told me for years that this was an issue, I continued to repeat this over and over, losing several female friends and alienating myself from people in the process because my friendly hugs were misinterpreted as something else. This social faux pas may seem glaringly obvious to most regular people, but for me it wasn't, and not grasping how my behavior was coming off to other people led me into a lot of uncomfortable situations that could have been avoided.
Never assume that an autistic person understands a social rule and is just deliberately choosing to go against it, however obvious or common sense the rule or behavior may appear to you. Most of us dislike social conflict and want to avoid it at all costs; we just don't always connect to the dots between our behavior and the negative reactions of people around us. So, the best thing you can do is lovingly, but firmly explain these issues as you see them, whilst offering a more socially appropriate alternative to the behavior. In my case, for example, with the hugging, a less offensive alternative to express affection with people could have been to give high fives.
This was quite long and I know it doesn't answer all of your questions point blank, but I sincerely hope it's helpful to you! :) I wish I had people around me growing up who were as curious and sensitive to my struggles as you are. It likely would have saved me a lot of trouble, social ostracism, embarrassment, and pain over the years