He's a crazy psycho he kills whoever he wants or whoever you want.. You two are friends he has a feelings for you and you know it you're just playing dumb

One day you were watching him kill someone in some surveillance camera he was enough to make you goosebumps he laughs like crazy and oh so handsome! The next day he spoke "hey... Uh... You know we've been Bestfriend for years now.... Uh... Will you be my girlfriend? Please..." He pleads looking at you