Hi,
Please somebody help me. I did stupid thing. Few months ago, I wore a dirty sock on my penis and masturbated. Not just once, but many times in a week with same dirty sock. Afterwards, my penis starts hitching. I noticed that a dry spot on my penis which turned to black. It is a dry black spot just before my penis tip. Now it is growing slowly. It did not hurt, but when I masturbate, skin break on that spot. Now I got an other one which is very small. Anyone knows what is this?