She will leave as soon as she has found someone else more worthy of idealizing.
She doesn’t have the runaway emotions of a histrionic.
She is likely to plan her leaving to maximize the hurt.
You deserved it because you didn’t live up to the potential she saw in you.
She couldn’t control all your life.
Then there is that external need for approval.
Her friends act like the condoning audience, validating her perspective without recognizing the consequences.