Here's why:
* She feels inadequate: Meg constantly compares herself to her intelligent and beautiful sister, feeling overshadowed and insignificant.
* She struggles with her temper: She often lashes out at others, particularly Charles Wallace, out of frustration and insecurity.
* She doubts her own abilities: Meg underestimates her strengths and believes she isn't capable of achieving her goals. This prevents her from fully embracing the challenges she faces.
While Meg has other flaws, like impulsiveness and a tendency to act before thinking, her insecurity is the most significant obstacle to her growth and self-discovery. This is ultimately what prevents her from fully embracing her true potential and becoming the hero she is destined to be.
Through her journey, Meg learns to overcome her insecurities and embrace her unique strengths. She learns to believe in herself and her abilities, ultimately becoming a brave and capable young woman.