Everyone likes to believe they understand the feeling of PTSD or the meaning but inreality they have no clue unless they suffer from it as well. I have had people tell me "i can prevent it," ''forget the past,'' ''exercise and eat healthy and focus on other things and it will disappear." But in all honesty PTSD is not something that can just be healed or prevented it is a result of trauma in your life and the smallest thing can trigger it such as a sound, objects, words,...