LOL great response above. A couple of thoughts and a question here.
An erection to me is slightly above horizontal to well above horizontal depending on degree of arousal. I'm not sure how this matters because... well because I can't see how it could matter
Depression and anti-depressants can definitely affect your ability to achieve an erection.
Porn actors use viagra. And editing. Don't compare yourself to that.
What is a PC muscle exercise?