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.
Perhaps as good a classification as any of the main types is that of the three lusts distinguished by traditional Christianity - the lust of knowledge the lust of sensation and the lust of power.
