I am so thankful that I came across a comment about Sarno's book here on hn! I had tried sooooo many things. I was frequenly getting completely locked up in my back - it was all just a tight ball of pain. Then Sarno told me it was because I was manifesting repressed emotions in my body, and b-i-n-g-o. As soon as I started asking myself "What's bothering me?", "What am I upset about", and gave myself time and permission to actual feel those emotions, I could feel the knot melt away.