Glamour is an imaginative process that creates a specific emotional response: a sharp mixture of projection, longing, admiration, and aspiration. It evokes an audience's hopes and dreams and makes them seem attainable, all the while maintaining enough distance to sustain the fantasy.
With the development of industrial capitalism, a new and unanticipated system of injustice, it is libertarian socialism that has preserved and extended the radical humanist message of the Enlightenment and the classical liberal ideals that were perverted into an ideology to sustain the emerging social order.
Whatever you do, make sure you want to write more than you want to be a writer. Make sure you want to act more than you want to be an actor. That is what will sustain you.