Because if you don't, it's difficult to have it or know how to use it in your favor.  

In this video, the first in a series on this elusive thing I call 'Mentality Control, I'll be talking about what it is... and what it isn't.  

One of the things it's not is a diatribe on positive thinking.  

For many people, this is a point of confusion and misunderstanding.  

In my opinion, positive thinking is an illusion.