It's tried and tested. That's why discipline and stress is used when in training. If you can't handle a little bit (and it is a little bit) of stress, then how on earth are you going to cope in a life or death situation? And not just a life or death situation for yourself, but for your friends also?
The answer? A bad outcome.
Please remember that the UK has some of the best soldiers and regiments in the world. Why you ask?
Because the way they're trained makes them so.
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