Hi Doc, I am 35 years old and virgin, the head of my penis was covered with skin. I was just rubbing my penis and the skin started sliding up and down. I am doing this from 2 years. Suddenly yesterday my penis skin open. I am not able to pull it up. Pls suggest me something if there is anything I can do for this to cover the head of pennis, since I am feeling very uncomfortable. I am little worried if something is wrong and also the size of my penny looking small after the masturbation.