If you've read everything, then you wasted PT time looking for an angle.
Here's the secret:
Get in better shape, toughen your feet & do your best.
Those are the variables that you control. Beyond that, you are either the right man for this job, or you're right for some other work.
Really, that's all there is to it.
2d Bn U.D. for 75th Ranger Regt Assn
2d Bn(Ranger)75 Inf 1975-'77
Former mentor to RANGER XCrunner.
Mentoring NeverSayDie."I am well aware that by no means equal repute attends the narrator and the doer of deeds
” Sallust ‘The Catiline Conspiracy’