Demma: So this is not only the smog that hovers over LA all the time, but it's also the stuff that they use to make Viagra.
Class: What? Really.
Demma: Sure! It makes leaky capillaries. [Demma proceeds to explain very graphically how a medicine that makes capillaries slightly leaky would make a good erectile dysfunction medication] See, they gave it to a bunch of old guys during medical testing. And then they wouldn't bring their leftovers back because it was like, 'DING, erection time!' And this was a nightmare for the old ladies, because they were glad that they didn't have to pretend enjoying fucking these old farts... now anyway, what was I talking about?"