Kochanski
Illuminator
I
The proof is in the DOING, the living and that proof is not merely a mental ascent, but a trying, a proving, a personal experience, from personally testing.
No, DJJ that is known as Anecdotal Evidence and it is NOT sufficient to prove anything. Things like cognitive biases can make anecdotal evidence useless.
What is needed is Scientific evidence. I think you will find that just about everyone here accepts it. And that ain't nothing, dearie.

