I know from personal experience.

CIVILIAN FRIENDS: Tell you not to do something stupid when drunk.
MILITARY FRIENDS: Will post 360 security so you dont get caught.
CIVILIAN FRIENDS: Call your parents Mr. and Mrs.
MILITARY FRIENDS: Call your parents mom and dad.
CIVILIAN FRIENDS: Hope the night out drinking goes smoothly, and hope that no one is late for the ride home.
MILITARY FRIENDS: Know some wild stuff will happen, and set up rally points and an E & E route.
CIVILIAN FRIENDS: Bail you out of jail and tell you what you did was wrong.
MILITARY FRIENDS: Will be sitting next to you saying, Damn...we f**ked up...but hey, that was fun!"
CIVILIAN FRIENDS: Borrow your stuff for a few days then give it back.
MILITARY FRIENDS: Steal each other's stuff so often nobody remembers who bought it in the first place.
CIVILIAN FRIENDS: Will listen to your relationship problems and hope it works out for you.
MILITARY FRIENDS: Will listen to you over a long hard road march, and will help you straighten it out better than Dr. Phil.
CIVILIAN FRIENDS: Know a few things about you.
MILITARY FRIENDS: Could write a book with direct quotes from you.
CIVILIAN FRIENDS: Might try to hit on your girl behind your back.
MILITARY FRIENDS: Have spooned with you in the field more than your girl has, and would never even think about doing that.
CIVILIAN FRIENDS: Would knock on your door.
MILITARY FRIENDS: Walk right in and say, "I'm home!"
CIVILIAN FRIENDS: Will wish you had enough money to go out that night, and are sorry you couldn't come.
MILITARY FRIENDS: Will share their last dollar with you, drag you along, and try to work free drinks all night.
CIVILIAN FRIENDS: Want the money they loaned you back next week.
MILITARY FRIENDS: Can't begin to remember who owes who money after taking care of each other for so long.
CIVILIAN FRIENDS: Will tell you "They'd take a bullet for you."
MILITARY FRIENDS: Will actually take a bullet for you