Man-O-Man, Retired and some of the older guys will know this first hand as well. When I went through Basic Training in 1974 and then the Sheriff's Academy in 1978 the mentality for me was that there is no such thing as quitting. Never was a quitter, never want to be one and never will be one.
Some people did quit, some got ran out due to academics and some got ran out just because they couldn't cut it. It was different back then, the TO's could lay hands on you, cuss at you and spit in your face. During the academy I saw men turned into boys and boys turned into men. IMO there are few better feelings of accomplishment than when the Sheriff himself pinned my tin at graduation.