If you are young, this might help you https://www.logicallyfallacious.com/logicalfallacies/Appeal-...

If you are old, I have nothing at my disposal. You are on your own.

This is pretty basic. One learns this early on if he has actually built something.

> regarding the brain, is there a reason your words should be trusted over those of a brain surgeon?

You thought I had made a claim about the brain. That's interesting.