Not insight. Not willpower. Not positive thinking. What actually changes a Framework is repeated, embodied experience of conditions the Framework did not expect — met by a nervous system present enough to receive them.
The Mechanism, Named
A Framework updates through a process the neuroscience literature calls prediction error and update. The Framework predicts an outcome. Something different happens. The discrepancy is noticed. If the different outcome occurs often enough, safely enough, and vividly enough, the prediction begins to shift. The Framework starts to expect something new. This is not a metaphor. It is the mechanism of learning at every level of the nervous system.
What the Mechanism Requires
For the mechanism to actually run, three conditions must be present. The nervous system must be present enough to register the different outcome — not dissociated, not overwhelmed. The different outcome must occur repeatedly — a single counter-example is easily dismissed. And the older Pattern must be met with honor rather than contempt — because a Framework that is being shamed holds its shape more tightly, not less.
Why the Popular Answers Fail
Insight fails because it is instruction, and the Framework updates on experience. Willpower fails because it fights the Framework rather than reshaping the ground it stands on. Positive thinking fails because it asks the mind to lie to the body, and the body knows. Each of these tools has its uses. None of them is the mechanism through which Frameworks actually change.
A Framework updates in one currency: repeated, embodied experience. Everything else is preparation for that currency to be paid.