I had a good sexual interest few months back. Now I have the same interest but my tool was not getting erect as before. Its normal size is 4 in if it was erect it was nearly 8 in Now the erection problem raised n my cock remained for 5 in and it was not fit as before. I was worried about my sex life. Whats was recent changes from before is I have gained some weight about 10 kgs and weekends I will take royal stag whiskey in limited quantity. Please suggest Me some changes and make my sexual life active as before and my age was 24.