Hello I am 21 year old Boy..i am masturbating from last 5 years but i am not addicted to it...i use to masturbate 2 times in a week...last sunday i have masturbated while watching porn...from next day i have noticed their is a soreness in left side nerve of my penis...due to soreness i am feeling erection issues too....i am getting weak erection with pain in my left side.of.penile nerve...i am quite worried as it is one week but no improvement till yet...please help