Happy Down Below: Everything You Want to Know About the Penis and Other Bits

Do you have a penis? Do want to know more about the penis? How about male hormones? Dr. Oliver Gralla has got some info for you, my friend. He covers "The Droops" (erectile dysfunction, for all of you behind on your penis lingo) and testosterone's effects on the body. If you're having trouble down south or if you're looking for some new interesting facts to bring up in conversation with your doctor (such as the average length and circumference). With a good sense of humor, Gralla writes in a personable way and helps you understand that mysterious organ between your thighs.