I tried PE on and off for 4 years. I finally stuck to a routine after my divorce. During that time I did a lot of self help to build confidence.
I’m lucky to be a fast gainer but it only happened after really sticking to it. Started out at a barely hard 5 with 4.5 girth.
I stuck to it and am close to hitting 7
Don’t be a quitter, work on all of you all the time. Escape the negativity