At the same time that [Pfizer] is enhancing erectile dysfunction, it's also blunting the stress that would be imposed by the act of sex,

[Viagra] got started as a heart drug in the early 1990s and the erectile dysfunction [treatment] was a side effect, ... It got sidetracked for a completely different implication.

Tal como a disfunção eréctil, a disfunção intelectual, que afecta um número crescente de ilustres membros das elites intelectualóides, caracteriza-se pela impotência de manter erecto um pensamento coerente.
As the erectile dysfunction, intellectual dysfunction, which affects a growing number of distinguished members of the elites, is characterized by the impotence of keeping erect a coherent thought.

He seemed to be lying on the bed. He could not see very well. Her youthful, rapacious face, with blackened eyebrows, leaned over him as he sprawled there.

“‘How about my present?’ she demanded, half wheedling, half menacing.

“Never mind that now. To work! Come here. Not a bad mouth. Come here. Come closer. Ah!

“No. No use. Impossible. The will but not the way. The spirit is willing but the flesh is weak. Try again. No. The booze, it must be. See Macbeth. One last try. No, no use. Not this evening, I’m afraid.

“All right, Dora, don’t you worry. You’ll get your two quid all right. We aren’t paying by results.

“He made a clumsy gesture. ‘Here, give us that bottle. That bottle off the dressing-table.’

“Dora brought it. Ah, that’s better. That at least doesn’t fail.

Don't worry about being nervous. A lot of vampires have trouble with this from time to time. It happens to everyone."
"If I was a forty-year-old man suffering from erectile dysfunction, that would be a great comfort to me, thanks.

Evolution has geared the human stress response to last about thirty seconds. It's enough time to facilitate fight or flight. Evolution has not adapted our brains or bodies to handle weeks or months of prolonged stress.