What costumes have you worn before?
What were you scared of when you were a child?
Do you like celebrating Halloween? What are some ways people celebrate it?
What are some common fears a lot of people have?
Ghosts, heights, spiders, snakes, needles, flying...
Do you believe in ghosts? Why (not)?
Talk about a scary situation you've gone through.
Talk about a scary movie you have seen and let the other person guess.
Why do people like being scared?