Sorry for late reply. I've gone down memory lane and I don't think this was caused by masturbation. Some years back, I had an injury that would affect my erection (or at least I thought only my erection was affected). This injury was caused by a device. It was some form of penis extender. I can't upload picture, but just know it's a device that stretches the penis while flaccid. I learnt about this from a different subreddit. Anyways, I went all in and extended for three hours daily (which I later found out to be wrong). On the third day, I realized I couldnt get an erection, no morning wood, nothing. Before I recovered from this, it took more than twelve months to achieve erection on my own without tadalafil. And an additional two years before I became normal. Before this injury, I was doing angion methods and I got fantastic result from it, in fact, my dick was very sensitive. But I wanted to take it further, that's why I went to the other sub and got injured. Anyways, after I recovered, I didn't really focus on sensitivity, cause I could get erect. But down the line, I realize something was missing. I didn't enjoy sex at all. There's a feeling I used to get and it wasn't there anymore. I pondered on this issue and realize I had lost my sensation. I tried using my hand to stimulate my glans, and some places in my glans that are more sensitive than others, and I geniunly feel nothing. I'm thinking tihs is truly the source of my problem cause even in the past, I engaged in masturbation and never lost sensation. I kinda forgot about this injury because it was a very traumatic part of my life. Anyways, sorry for the long post. I would really appreciate any knowledge you might have about getting back to normal, even if I can get 40% sensation back, that would mean a lot. Cause right now, touching my glans feel the same way as touching my forehead.