Similar burial ceremonies developed in different places independently throughout human history, which is a good hint that it was not just a random fluke that we kept doing by chance, but that there must be something 'natural' to this behavior.
Madness string 96024
He was treated like he was stupid because it took him a little longer to figure things out. It wasn't that he couldn't figure it out, he just needed more exposures. Honestly, knowing what you have is the first step for a lot of people because it's way easier to find coping skills when you know what you're coping with.