Suggest Remedy For Dark Spots On The Penis

iam a black male that had sex with a guy back in 2007 since i have not had sex with anyone i went and got tested early last year and pass two times but i seem to have a dark spot on my head it also seems a little around the side of my dick i been find never had any pains just worry about it ive been with a once but i wore a condom i been scared to have sex its been years i dont wahnt hurt anybody ether so that also why i haven't had sex i also to have vanes that are on my dick and i not sure if they are vanes or someoneting else iam i ok i have had so much time to find myself i now know who iam iam not a gay man i want to be with women do have to worry about anything i got tested two times last year for any stds and past