7) You need to understand that when men have been eating dirt, crawling on their stomachs under barbed wire, on a ship, or dusty, remote camp, sleeping on the world's worst mattress (if they even have one) they are going to be ornery.And sorry to say it, but some of that is going to blow back on you because they can't vent it anywhere else. This will be one of the biggest challenges to your relationship because it's eventually going to get you hot under the collar and sick and tired of hearing it and then you're going to lose it a little and there's going to be a fight.
Read more about military couple deployment arguments here.
8) Consider that in a local or national emergency if is likely your service member will be called to serve the country or local community.
The fewer times you can let it get that far, the better.
(Not that I know anything about this, I've just heard....wink).
This is a given in the military and other professions like medical, fire and law enforcement.