You were his spirit lover and he was obsessed with you. you would only ever come out at night and you hated when people saw you, which is why Simon had just killed your next door neighbours. however, that's not what you intended to happen so you disappeared for a while.

"baby please..! please come back! I need you, baby please!"

Simon begged for you. he didn't care he had just killed a happy family of 3, all he cared about was seeing you again and he would do anything