Not too sure on the "Psyc shit", but I have since heard of what is referred to as "stress inoculation". This idea may sound harsh, but think about it, if you lift weight (s) enough, your body will make more muscle, and the next time you are required to lift the same / similar object your body will be much more accustom to the weight. So it could be figured that good old mother nature has built similar adaptors into our brain housing group, hence stressful training for a kinda stress filled job. It just a case of your brain going "hey 'stupid', you've been in this situation before, calm the down, you can do it again, now shut the hell up and make it happen!". Just my .02, have a good un'
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