sensitivity

What age is "normal" for a healthy man's sexual function to begin to decline? I always thought it would be like age 55 or so. At age 43 here, I have the "I don't feel like I used to" feeling a lot of the time now. This has surprised me because I have had excellent sexual function my entire life...

I have been on Test Cyp (70mg IM twice weekly) and HCG (500 IU SQ twice weekly) since 09/2018. These dosages have put my trough TT between 752-1174 ng/dl and trough FT between 23.2-32 pg/dl. My Estradiol (sensitive) on these dosages has always been 20-25. The problem prompting this post is...

Can anyone tell me what the relationship is between estrogen and penis sensitivity? What would be the result of high estrogen levels and what's likely to be the result of the low estrogen levels. Thanks guys.

Has anyone had low penis sensitivity thus making it hard to orgasm and been able to resolve it? I am already with defy and waiting for my e2 to rise but I don't know if that's it. I have never been a "quick" guy but now it's getting tough to finish. Any help is appreciated?

So I'm currently on a slow but definite progressive path with TRT. I'm on 100mg / week of Test C. I split this into two doses. I'm working with my GP, because during this season of life I'm simply unable to afford Defy. My GP is very very open to everything I've suggested thus far. My last...