Hi, may I answer your health queries right now ? Please type your query here...Dear doctor, I'm 21 and I'm pretty sure I have a unique penis - even though no two are alike. It has recently come to my attention that I may have phimosis as I can not retract my foreskin. Erections, sex and masturbation do not hurt but I now worry about smegma build up and infection and also what people would think if they happened to see it. Also, I have (for some strange reason) hair growing on the head of my penis and the right side of the shaft. The hair seems to come from small "bumps" under the skin which I can only presume are the roots of said hair. And finally, I have one testicle obviously larger than the other. It's as if when they dropped at puberty one of them did and the other didn't. Add all this together and I'm sure you can imagine the intense paranoia with something as simple as using a urinal, let alone sexual relations. Any help would be greatly apprectiated, thanks.