But how would grass avoid rocks?

The practice head, in the lying down position. That one was a brain teaser. I had to just look at it like mountains.
The pic I was using
Mostly underpainting

I had trouble with the eyes early on

Earlier step
You're describing a gradient. That isn't what spectrum means. We all have a spectrum of symptoms - some kind of sensory processing issue, some kind of social interaction problems, some kind of repetitive motion issue, etc. Only when you have one issue in each category are you autistic.
I'm AuDhd myself - ADHD is comorbid with autism in a large percent of people. If you don't think it's a disability, you may still be in some denial about its effects on your life.

Early stage where the orange underpainting still shows.

Photo of the setup I used
The charcoal powder massing in the shapes
before the pastel
When's the last time you sat or laid in your lawn?
I lie in my clover yard frequently with my dog. Way less poky than grass.