One month of total rest allowed a scar to form in the muscle belly, and 8 years of sitting on your ass allowed it to mature. It will always be a problem. Stretching it is further stupidity -- you cannot stretch a scar, but you can tear the tissue adjacent to it, and that makes the scar bigger. The Starr protocol is designed to prevent scarring, not treat it. If the pain bothers you, become a Press Specialist.