My husband went in to the military early and stayed for more than 20 years. It taught him a great deal, including:
His dad was a whole bunch smarter than my husband thought he was
Getting drunk means you end up painting stuff gray, so don’t get drunk unless you like painting stuff gray
If you can make someone laugh they are much more likely to give you what you want than if you don’t, even if you aren’t supposed to have it
Officers are often nowhere near as smart as they are supposed to be or even than they think they are
There is always a way to get the job done, even if you have to sneak around behind the officers’ backs
That even if you don’t like your job the fact that it keeps other people from dying makes it worth doing
Military doctors are willing to apologize if they screw up because you can’t sue them, but they do amazing work for all of that
The Air Force really does have better housing than anyone else, but that compared to Coast Guard and Marine housing, Navy housing is wonderful
If it isn’t in writing it isn’t true
Flying into the eye of a hurricane is really cool once you get over being frightened
It’s OK to spend your entire paycheck at the exchange or at the NCO club because you’ll get another one next month
CYA (in case you serve with or under a dirt bag)
Living all over the world is fun, and you get to learn all sorts of languages, eat all sorts of food, and meet all sorts of interesting people, and
There are opportunities for learning and growing all around you, and all you have to do is take advantage of them.
It taught him other things as well, but for him the military was an excellent fit, and his life turned out much better than it would have if he hadn’t joined.