So the wife's not human, the husband sees ghosts, the friend is a spy and the granddad's loaded, apparently. They would make for great guests on the Jerry Springer show.
You were right guys. That man has seething hated for Tanya.
Edit: for those confused, I'm talking about the next plot point being dad and brother disliking Tanya cause she's not human. Even tho the only thing she did was shown them the spirit of their long disease loved one.