If she has a mental health issue, she should seek care. But if you take the above quote at face value (and likely out of context), then I would give her this advice to start building her life:
"Flipping Burgers in not beneath your dignity" - Charles J. Sykes
An entire generation has been romanticized that if you "do what you love" you'll end up a billionaire. The complete opposite is true. It requires doing thing you dislike, discipline, financial management, and focus on the correct things.