How To Be Realistically Delusional

In movies and epic stories of grandiose achievement we often times see people share “I will do this no matter WHAT.”
“SUCCESS IS GUARENTEE, I WOULD RATHER DIE THAN ACHIEVE THIS. I MUST.”
People stake their very existence on an outcome and burn the boats and it always makes a great story for motivation and achievement.
It's cool to say, a huge boost to the ego that makes us feel like we are in control of life and are certain of all things.
In the reality we live in, believing that there is zero percent chance of failure is a sure-fire way to manifest setbacks and failures.
Here are some reasons of understanding the mechanics why.