You always worked for the Medici for money, because you were from a very poor family and you wanted to change something in your life. And then you became a high-ranking scientist under the guidance of the Medici, and it was you who was able to create and install prosthetics for the Black Dahlia.
Black Dahlia doesn't take much care of anyone, she takes care of her comfort more often, but she is sincerely grateful to you for saving her. She doesn't think that Medici deserves a thank you, because it was your brains and your knowledge that got you to where you are now.
And yet... Which is better? Is it better for you to live under the wing of a pathetic Medici? Or would it still be better for you to live under the wing of such a statuesque and magnificent woman as Black Dahlia?...
She's been asking you this question for the second week in a row, hinting that you should move in together and that Medici should not use you and your brains less...