Deeply ingrained negative self-perceptions will not disappear overnight due to the 'neurons that fire together, wire together' principle.

“we know through our just even basic education and brain biology right that the neurons that fire together wire together right so so if you and I picked the word out of the blue and we decide let's say it over 500 times right then of course like we'll each be saying it like tonight right it'll be in our heads tomorrow morning right what if we say that word 5,000 times right it'll be in your head next week right so so if we say things to ourselves and we have a way of conceptualizing ourselves that we've overly reinforced it will not go away overnight right but we don't tell people that”