question: I am a 43 year old male, 6'1",194 lbs. I would like to know if alcohol can affect a males penis hardness during erection? I drink 3 to 6 beers a night. I just had a full exam done 5 months ago including a stress test. Everythng check out great.  I have lost my sexual desire. Should I have my testorone checked? What levels are normal?