Well. If that is indeed the case, I think you've said quite enough, don't you? This only makes it more imperative that you look out for him. You are family. It's not difficult. You just need to be more assertive. I've only been doing it for 25 years.
As it's a matter of family importance, Idris says he will take a day and come down to sort out both your stories. You just have to keep Dad preoccupied until then. Really, Tali, it's the least you could do.