“If you had weak eyes, they needed exercise to get strong. Glasses were like crutches. They prevented people with feeble eyes from seeing the world on their own.” ― Jeannette Walls, The Glass Castle (a great great book !)
For every identity which the Narcissist discards, they create a new one, which is usually the old identity starting from scratch in the hopes of getting it right this new time around. They move in a perpetual cycle of repetition.