Hey im 18 yrs old and have been masturbating for alil over a year but my penis still hasn't grown but i have the hair on the top of the penis and the hair under my armpits. I am also starting to grow alil chest hair that's barley noticeable if you know the answer to the question please respond.
Also on the bottom of my shaft i have little things that look like pimples but they dont hurt i noticed them about 2 years ago

PLEASE RESPOND!!!!!!