Have you ever used any drugs that inhibit the 5ar enzyme such as finasteride, accutane, antidepressants, mushrooms etc?
Can you get aroused? Do you feel depressed/emotionless?
Just high estrogen alone could cause complete impotence. I didn't read the other posts but I would stop throwing the kitchen sink at it and go back to the basic trt+dhea+pregnenalone. Maybe hcg. Then do bloodwork and keep everything in balance.
A shot of
trimix into your dick could help diagnose the problem if everything else has been ruled out. If that does not get you hard it's not hormonal.