How long have you received TRT? What medication and dose?
If you had untreated hypogonadism for a long time, then it may take some time before you feel great again. That was the case for me. Seriously, although I can't recall the exact amount of time, it took somewhere between 8 to 10 months to feel GREAT again. After one month, I felt "OK" and more energetic. For the next few months, I gradually started to feel like myself. But it really took some for normal sexual function and drive to come back. Actually, it lack of libido and ED were the last resolved symptoms. Weakness and fatigue were resolved before this. My doc gave me some Viagra after my first visit and him telling me, "I'll give you some because it might take some for your erections to come back."