Forcing re experiencing of trama essentially reactivates all o those negative emotions, reactivates the hormonial surges. When you're undergoing a dramatic experience, it's a survival situation. So in that moment what your body and brain do as they go all in on survival. And they will wreck the house as a result. This is why i do not do open awareness techniques of meditation with draumatic individuals,. Their mind is working really, really hard to pack away those memories.