There shouldn't be any sores, warts, or unusual discharge in a healthy penis. The color of the penis should be close to that of the surrounding skin, however, it may be somewhat darker or lighter. Signs of a Healthy Penis additionally, there should be no discomfort experienced in the penis during urination or sexual activity. The appearance, feel, or functionality of the penis suddenly changing is not a signs of a healthy penis. To find out more, go to Outlook Health.