Do they?
It was the first legal pill that actually had an effect on your cock. When you get sexually aroused, certain tissues in your cock relax. This causes large amounts of blood to flow into your cock, and thats how you get a hardon. Viagra works by increasing the levels of the chemical that causes the tissues to relax. Yes it was intended as a treatment for men suffering from erectile disfunction, but it's become a phenomenon. Everyone uses it. Do they?
