I'd say you have to be really committed to the field, show up for every audition and to be aware that very few make it in this field.
“When I left school I went to Australia for a year and worked in the drama department of a school in Perth.”
“To be a human being means to possess a feeling of inferiority which constantly presses towards its own conquest. The greater the feeling of inferiority that has been experienced, the more powerful is the urge for conquest and the more violent the emotional agitation.”