Sorry I don't really have much in the way of suggestions, but I feel you! I'm not diagnosed, but I have many autistic characteristics. I think for me just coming to terms with this just being how my brain works and trying to be better aware of my body and brain has been good. I spent so much of my life being confused by other people's advice before realizing much of it really doesn't work for me. I think therapy has helped a lot; a good therapist can help you be creative and invent strategies to get to a better place based on figuring out what works for you specifically

Sorry it took so long to respond. If you feel like your are autistic you can be tested but I also know celiac can cause severe brain fog and a bunch of other symptoms. I’m an isolater with a bunch of anxiety so I’m sure celiac doesn’t help. I also have trouble regulating my emotions and that is something my therapist and I are slowly working on.