Yeah yeah yeah we're infested by demonic entities, and like any species of parasite it can only operate while the host is unaware of it. It sucks man. If you're just realizing it now, get ready for some serious mental fuckery to put you into a state where you forget this.
It's no reason to write with cruddy grammar though.
I didn't say anything about fear.
Stay vigilant. Watch out because this crap can and will come back.
Physical - mental - spiritual. It's a full spectrum battle.
I don't think a gun will help you at all.
Watch your mind for intrusive thoughts. Pray to God. Recognize that there will be attacks when stressed. Keep your body clean - I wouldn't recommend full vegetarian just no pork because a vegetarian diet will put the mind in a spacey state.
There are etheric parasites as well. As above so below.