What’s it like, writing a trilogy?

” . . . those being sort of rare in horror.”

A question I got recently. My answer:

Horror trilogies are kind of a hat trick, aren’t they? Hard to pull off—no, hard to get away with. I mean, in horror, if too many of your characters make it through to the end, then . . . were the stakes really mortal enough? It’s your job as a horror writer to dream up people you want to hang out with, and then terrorize them, and, finally, bury them. This is great and fine for one-s…