Are you afraid of the dark? I am. Fear of the dark is natural though in most cases, especially in children.
Not really! I do watch a lot of horror movies though! So that can make me scared. 
Horror film try to make you think about your nightmares, fears, and the unknown. So, it makes sense that it scares people. They scare me sometimes too.
I recently saw Hereditary and it scared the pants off me!
the intrusion of an evil force, event, or personage into the everyday world. Prevalent elements include ghosts, extraterrestrials, vampires, werewolves, demons, Satanism, evil clowns, gore, torture, vicious animals, evil witches, monsters, zombies, cannibalism, psychopaths, natural, ecological or man-made disasters, and serial killers.
Some sub-genres of horror film include low-budget horror, action horror, comedy horror, body horror, disaster horror, found footage, holiday horror, horror drama,
comes in to basically reintroduce fear into Gotham and to remind people that the dark is still scary out there. And we're really going to fashion, especially Episode 2, almost a horror movie episode where we really get to see Scarecrow. I think he's like purely terrifying. Imagine, rather than the other versions of Scarecrow out there — because there are a lot of different versions — what if you just really tell Scarecrow as a horror movie? Because he could be scary as hell." Executive producer Danny Cannon