What you are talking about is a legitimate concern, but it’s not called PTSD.
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I was going to say the same. You may have PTSD, but this is more on the verge of paranoia. I use that word regretfully for lack of a better one, because it implies that your fears and suspicions are irrational, and my personal opinion is that they are not. When you look at things with a historical perspective and how soooooo many populations either never saw it coming or stuck their head in the sand when it was, and you see some of the things that are happening and being said now, then it is not wrong to look around or ask questions.
So if the thoughts are valid to have, then I would just focus more on the emotional end of it. Are you letting it get to you? You start out saying you feel good in your position but I wonder what was the real impetus for the post.
Just because you’re paranoid, it doesn’t mean they’re not after you.