You put the trick in "trick or treat," and you won't stop scaring people until you scare yourself.
You love horror movies, dark spooky nights, and the darker side of Halloween. You save the kids' stuff for the kids.

Speaking of kids, you avoid the little candy grubbing monsters at all costs. Well, unless you are looking to give them a little scare.
You think Halloween has gotten a bit to sugary these days, and you don't mind injecting a little fright into things.