I’m of the opinion that a lot of the “problems” with autism come from societal issues and lack of education rather than an innate thing.
Everyone has problems they need to work through. It’s just that autistic people don’t get the support they need.
Firstly, if you’re worried about this, speak to whoever is running the sessions. I could speculate as to what works and what doesn’t, but if you are in contact with a trained person who has seen you many times now, they can probably give you better advice than internet strangers.
I see a counsellor, which I know isn’t the exact same thing, and I’ve definitely broken down and started crying in some sessions. And yes, it feels like shit. And yes, it hurts. I have a habit of retreating and hiding from stressors, and having to face them is rough.
However, anything you talk about is likely already in your head anyway. Taking about it lets it out in a safe way, because otherwise it just kinda builds up and festers… Which is even worse.
If you are neurodivergent though, it might be worth looking for a specialist that handles adhd therapy. I know at least for autism, regular cbt doesn’t work. Don’t know if that’s the same for adhd and whatever therapy you’re doing.