I have mentally overcome situations most of you would be terrified to ever attempt: heights, fire, needles, spiders, snakes, angry monkeys, being shot, being hit by a car, going blind - you name it, I have been in a situation where I have had to mentally overcome my inherent fears to do my job.
Mindfreak: Secret Revelations (ed. Harper Collins, 2009) - ISBN: 9780061982439