It might not have anything to do with PTSD. He might just not be as interested in you as he was before. It happens a lot when people get hot and heavy online/via text and then meet each other later. Its the real world setting in.
And that’s the hard part...if I knew, I could either accept and move on, or wait for whatever he needs from me. I explained more below, forgot some crucial info in my first post. If you have time to read it and give me your thoughts, I’d appreciate it.