Incest has been confirmed as "could happen, but will be difficult to pull off". In other words, there will be incest, should you choose to go there, but it won't be your run-on-the-mill roommate-shower-spying-and-night-groping kind of incest.so incest later on
Also:
Dear Eye in the Sky, I've recently started a relationship with a mother of three and everything was going fine until I discovered her own son had lewd thought about her and his two sisters. I'm totally distraught. How do I put this young soul back on the straight and narrow?
Eric