A few minutes into playing after updating, my sim gets a call from her cousin to say that the cousin is now in a relationship with her own brother. I went into the other family to check and sure enou...
Ideas
I'm experiencing this bug too, no mods. Both partnered sims were pre-mades (Don Lothario & Arun Bheeda), not sure if that's part of the problem. They also adopted a son together and he's now classed as Arun's step-son and only Don's 'full' son.
