I'm sorry to hear of your losses gents, you have my condolences and best wishes.
I was diagnosed with PTSD in 2015 after 13yrs army service and working on the ambulances.
I've been on this forum for many years and always like to keep an eye on it, as for posting replies, I get that, I worry about negative reactions to things I post, a hang up of the PTSD I suppose, but I have yet to really see any negative feedback. Yes you may get disagreements, or questions about any points I've raised, but nothing more than healthy debate, respectfully said. No one knows everything, my interpretation of a chosen subject may be totally different to another's interpretation, based on our respective viewpoints and experience, but stimulating debate is good for us all!
welcome to the forum mate and get stuck in!