Anyone who’s ever watched a porno movie has probably noticed that the men in it seem to be able to stay hard for hours. (Look, there’s nothing wrong with admitting that you’ve watched porn, okay? We’re all grown-ups here.)

It turns out they have a variety of techniques they use in order to maintain their erection and you can learn from the experts. After all, those guys aren’t always attracted to their costars and since they’re actually on a film set, there are dozens of distractions they need to contend with.