"Don't call me a dirty old man.... Cuz I'm not old... I'm of a fine vintage..." "Get your mind out the gutter... you're crowding me." Another smiley everyone can use:
He's a substitute father figure to her -- and she's like the child he never had to him, isn't she?
The crazy will bust loose. Either in the stories or on the forum. Or both at the same time.
Mad theory: Eulice is actually a retired succubus. This explains why she says DiDi Chastel looks like she did in her younger years. She maintains her current form because it allows her to get through her day without having to turn down sexual advances.