I am 43 years old. last three years I am feeling stiffness on my penis. Advise of doctor I was doing jogging last one year, also I was taken 100 nos of L- arginine tablets also I use to do massage with some herbal oil but the situation is same. when I am doing intercourse I am not feeling the senses whether penis is in or out. . I have high cholesterol and acidity. Please give me good advise, THANKS