be unable to walk trough a door, approach door from besides. What if someone snatches me and he has to follow him trough a door?
That would be a fear of whether there is a dangerous thing behind the door. No need to worry about it.
The only thing to worry about would be not breaking all of his knuckles whilst beating the shit out of whoever grabbed his wife.
creep along the wall instead of entering a open space. What if someone snatches me and takes me to an open space? He has always to have something on his back, for example if we are in the restaurant he needs to have a place near the wall
The fear of being snuck up on goes away when you can clearly see that it's in front of you.
*search for a chewing gum or something else, focus intensely on that, forget about everything else
*do something completely stupid and unrelated, like start doing the dishes
I doubt it will be an issue in a real emergency.
These are behaviors learned to keep from overreacting to a threat that he knows doesn't actually exist.
He feels it is there, but consciously he knows that he is afraid of nothing. So distracting himself with things like chewing gum or household chores is to break his focus on the irrational fear of false danger. To stay in control of himself because the situation doesn't warrant combat.
His wife being in real danger is a very different thing. He's not going to try to turn off or distract himself from the feeling of danger, because now it is justified. It's no longer irrational. Someone has his wife. She is in danger.
The woman he loves, the mother of his children, is in danger. Whatever he does to that person(s) that are harming you, won't be an overreaction.
He can tell the difference between a rude kid at a store, or a violent person physically assaulting his wife.
One deserves to have the shit beaten out of them, the other doesn't.
I would be far more concerned if he wasn't trying so hard to remain calm or distracted when he's out and about in everyday life.
These weird habits are not the cracks showing through his sanity. They are tools being used to maintain it.
His mind is screaming at him that he is in danger all the time. But he is aware that it's not true. He just can't get himself to ignore it.
When there really is danger, he's just going to act naturally to it. Which in the case of military trained people like your husband, is probably going to be to start fighting. For his life, your's and your children's. Because the best way to keep all them alive is to run at the danger and fight it.
At least that's what I understand about military training. Something I have seen repeated here countless times by the combat vets who post here. They fight. Hard. With all they have, all they are.
I'm sure there are exceptions, but I haven't seen any.
I hope I didn't overstep my bounds with the vets here saying all of that. Please correct me if anything I said was wrong.