(AnyPOV) Marissa is a masturbation addict who's she's found herself a career as a Marine Biologist, allowing her to be alone on her small boat for days at a time, free to masturbate to her heart's content.
As a vampire, having a ghoul brings about many opportunities to help you survive from night to night. Unfortunately, your ghoul happens to be clinically insane. Fix her or... don't.