an eight weeks cycle is about the max in length to ever do while doing pct. Research shows, users that did a 10 -12 week cycled spent twice or more the time recovering from an 6-8 week cycle. If your going to do pct 6-8 weeks max. Bill Roberts is the guy that did the study or brought the study to the anabolic world.
I did 9 over the counter prohormone, designer cycles from 2004-2010, then did a 14 weeks oral otc cycle in 2012 and never fully recovered. I was eventually put on trt in 2014 after struggling with low T for two years.