n.
an abrupt collapse of trust in yourself—having abandoned a resolution, surrendered to your demons, or squandered an opportunity you swore you’d take seriously this time—which resets your expectations and makes it that much harder to guarantee that your word is worth anything, even to yourself.
In economics, a loss of backing is when the government no longer guarantees the value of a certain currency, particularly when it’s not exchangeable for anything physical like gold or silver, thus it only retains value because we say it does.