I hear what you are saying. So there is no misconception, let me clarify...
I had a heart event and was prescribed medication that interfered with maintaining an erection. I could get a hard on but could not keep it long enough to satisfy my wife's needs. That was the initial reason for starting on the ED medication. For those who have an active sexual mind, taking this medication can be essential. Just because the dick goes limp doesn't mean the mind stops getting aroused. And frankly, I don't have a strong enough mind to over come the desire for sex.
I am happy to answer any questions anyone may have as long as they are legitimate and not mean spirited.