OK Some thoughts, very quickly :
@MerryChristmas : Please be aware that low NO levels is not what is causing PFS. It is -yet- one more symptom, possibly a mechanism of our bodies to regulate oxidative stress. In fact i would advise you to NOT overdo it with NO Production increase. Just switch to Spinach and do not use Rocket as this will increase NO very much and also you could deplete Iron stores because of Nitrate consumption.
@gefinauser : I can definitely tell you this was not a coincidence. Tinnitus is over for me, i must look at my log to see when it was the last time i had tinnitus (which meant that a mini-crash occured).
Guys : This was a really tough nut to crack, because downregulation of SRD5A3 causes a multitude of problems, suggesting that we have an acquired multisystem disorder, Thanks to Finasteride.
It now appears to me that what happens is that our body needs to replenish key neurosteroids that were severely depleted so i will have to say once more : Do not expect miracles from the first days but if you stay on the Spinach regimen you will start feeling better eventually (in 20-30 days).