Quote (MGS4BestGameEverMade @ 9 Oct 2014 12:09)
"As we mentioned in yesterday’s post, dopamine plays a big role in our sex drive, libido, and ability to get and maintain an erection. Reduce dopamine or blunt the reception of it, and bamo, no more boners. And that’s exactly what’s happening to more and more young men who are over-consuming internet pornography. "
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So that explains it :(

Pretty biased article considering they forget to mention how fast our body replenishes dopamine...