Can ptsd go away by its own? maybe environment changes and patient's relationships gets better, can these things make symptoms less occurs?

We all have internal skills that can improve functionality. In fact what therapy does is enhance your internal The bottom line is PTSD is when external events exert more control over you and cause negative symptoms: flash backs, driven memories, anxiety, fear, a sense of incompetence. The external needs to be dealt with in a positive and proactive internal manner.

Yes PTSD can can "go away on it's own" sometimes in some people. Yes positive environment, supportive and improved relationships with parents, family and friends can improve symptoms. And in some cases almost make it null and void.