People are fascinated by evil because it's mysterious and it doesn't seem to have a rationale behind it, and the second you say that Hannibal Lector was abducted as a child and he had to eat his sister or something like that, it becomes immediately mundane. The character becomes mundane.
Erotic or sexual love can truly be love if it is not selfishly sexual or lustful.
I think it's better to have your personal life and your work life separate. That way they don't corrupt each other, so to speak.