Imagine editing your own mind.
You'd have to be careful, wouldn't you?
Dont try this at home kids (or anyone!)
You could break something.
But consider also, we have a whole profession of psychietry, and book-store topic of self-help books, designed exactly to this same goal. To make meaningful differences in your own mind.
Clearly there's a need for it. And people will pay for it. And people achieve success by "changing their mind".
Psychedelics / Entheogens:
Meditation:
Software
It's like dropping into a code editor, or debug mode, to make insights from, or make corrections to, your app's sourcecode.
Mario
It's like when you go to negative world in Mario, and you hit the switch block, and then you come out of negative world and you realize that now something is different in the real world, something has changed, something you did when you're in negative world has affected something permanently in your normal waking life. And now you're free to proceed, under the new condition. If you don't like it, you can go back to negative world and switch it back...