Do they?
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. Don't they?
the last of the famous intenational playboys / Santonio Holmes / Queer bi/ Choice / The Hug4 Club