Then, on top of that, to have it spread through sex. Not only does it make you a zombie, it makes you horny. Exactly, and sex is death. Certain combinations of ideas are far more threatening than the single idea by itself. Horror movies are okay.
Porn movies are okay.
They each have their place. But when you start to combine porn and horror, or car crashes and sex, as Cronenberg does in Crash , it's just out of control. That's what makes it good when you're fucking with the genre you're turning one thing into another and really confusing people. I started to think that what you can't define, what just floats around, is infinitely more threatening on so many different levels. Shivers has lesbianism, incest, every possible thing.