Decent at changing your own mind? That must mean that you are an idiot. Only idiots change their mind, because only idiots are stupid enough to admit that they where wrong. 👻 Joking
I think therefore I am - everything else is on a spectrum of certainty. Every step forward is a step of faith. (top kek shitpost btw 👏🏽👏🏽👏🏽)
You know that Descartes snuck the "I" part in there, no doubt about there being consciousness though, if you are philosopially minded ex·cre·ment recommends Reasons and Persons.