I'm a 50%+ SCDV, I have PTSD in my VA disability file, and I own several guns... I don't let my PTSD get the better of me, it's called self-control. Do you consider PTSD/related anxiety to be a cause to not own a gun? Like you said, you can only imagine, but you don't know. It varies per person and you can't just blanket judge an entire group of people because maybe a few can't function normally with a disorder like that.