Boston,
I dont think its just ‘one’ hormone. When i finished my 2 week of Broc treatment, i had full morning erections for more than a week. They then went away. I had measured my testoterone back then and my test was around 400 and free test was also on the lower side. I dont know what it was, but my body was just functioning right for that time - i could feel it.
I had my next round of morning erections when i did a 10 day clomid treatment - that probably was testosterone driven. That faded away too.
I then again had some morning erections when I was on some herbs, that faded way too. I had my test measured after the morning erections died down and it was 600! so I was having morning erections at 400 testo but not at 600. It just seems to me there is more than just hormones. I think its liver, kidneys, urinary tract etc. all need to healthy and functioning and then testoterone wont matter that much. I think the broc treatment cleared out something in me for that week, which I havent got back again (I tried broc again, didnt work). I still wonder what it was.