Gain a thorough understanding of the personality traits you're being "graded" on ... so you can beat out the applicants who do NOT have it.
"I've read and enjoyed the books I bought from you. The behavioural type questions section was very helpful in thinking of the types of questions likely to be asked."
"After 2 years and 7 rejections and just turning 43 I made the recruit course with Northern Territory Fire and Rescue. Your program was a huge help with me sticking at it and not giving up so thanks again mate."