problems with penis

I started masterbaiting when i was 16, six times a day. I started to notice rawness, then over time i was having trouble getting erect. I did it less as a result as time passed on, but still it got worse. I'm now 26 and its raw and i think there may be nerve  and/or tissue damage, and it causes premature ejaculation. is this damage reversible, if there is any? And what do i need to do to fix this, and if so how long would it take?

[Maxy_pharma]

Masturbation surely have some side effects represented mainly as negative psychological feedback, some timed with frequent hard rubbing it may undergo something called lichenification which is hardening the skin in top of the penis,
it may be disfiguring but no functional dysfunction. nerve atrophy is not suggested.
your erection quality may be affected as result of psychic trauma, your erection frequency also was reduced often due that cause, or you may retained to the normal sexual attend level after 16 years which is the early adulthood.
for premature ejaculation, it's often considered as obsessive idea with no reality, u did not make a real sex to judge, and if you made, you may don't know how much time you need to ejaculate to be patient of PME, it's usually range from 3-5 minutes defined as exact period beginning from male insertion untill ejaculation.
by any way, if u really suffer from PME, you can try Tricyclic anti-depressant drug (OFF-LABEL INDICATION, at your responsibility)such as Anafronil.