I m 15.I m a guy.ive been trying for ages to masturbate but I just am not able to. I am circumcised (5 yrs old) the head of my penis is blackish, I mean, pink, with a lot of black. Whenever I try to do it, I feel very very less pleasure that too for less time then some watery liquid comes out, my penis starts hurting, the end. I use spit as my lube. Am I alright? Will I be able to enjoy like others? Whenever I try to masturbate, I can feel that the sensivity of the penus is very low. The n head of the penis has a lot of black nerve like design . And j can t go to the doctor. Please help . In really really worried