OP: Don't be embarrassed; it happens to lots of guys your age. Often it's a result of stress or nervousness, which can be compounded by performance anxiety. There are many resources available on the internet on how to deal with this problem.
DAMN ya beat me to it.
20 hours game play and the only problem I had was during the initial character creation and that was just lack of patience on my part.
I am sooooo glad the original poster was talking about the game. I thought I had stumbled into the wrong forums.