An Assemblage of Short Horror Stories

He was an ordinary boy until he was kidnapped and held as a prisoner for ten years, enduring things unimaginable.
She has a secret that she's told no one: a monster has lived with her for as long as she can remember, and she's terrified of it.
Periodically, something rustles beneath his skin, eager to get out. He cannot control it, and fears that one day it will kill him.
She's been trapped by a mad villain, stuck inside an hour glass as her time runs out. Once all of the sand reaches the bottom, her world will explode.