Hello Rory: I see this is your first post here on PC. So... welcome to Psych Central.

Since you mentioned the difficulties you're experiencing with your parents the relationships forum, here on PC, may be of interest to you. Here's a link:

https://psychcentralforums.com/relat...communication/

And then since you are on the Autism Spectrum, you may want to take a look at the autism & Asperger's forum:

https://psychcentralforums.com/autis...er-s-syndrome/

Based on what you wrote, it sounds as through you may be what is sometimes referred to as a highly sensitive person. So here are links to 9 articles, from Psych Central's archives, on that subject plus 1 on how to de-escalate an argument:

What Does It Mean to Be a Highly Sensitive Person?

What Makes a Highly Sensitive Person?

Are You a Highly Sensitive Person? | Happily Imperfect

https://psychcentral.com/blog/10-tip...dium=popular17

https://psychcentral.com/lib/accepti...dium=popular17

https://blogs.psychcentral.com/weigh...dium=popular17

https://psychcentral.com/blog/more-c...sitive-people/

https://psychcentral.com/blog/how-se...dium=popular17

https://psychcentral.com/blog/5-gift...dium=popular17

https://psychcentral.com/blog/6-tips...g-an-argument/

I hope you find PC to be of benefit.