The thing you need to bear in mind about dealing with narcissists is that they have to destroy themselves.
With the Harkles, any interference would feed into their victimhood & claims of racism.
Some people think that KC and/or the RF are enabling the Harkles but imo they are simply not stopping them. They avoid Harold when he visits the UK and did not block the trip to Nigeria but let Nigeria know that it is a private visit.
They won't pull the Jenga block. When everything crumbles, which it will do, there needs to be no-one for Harold & Rachel to blame but themselves or each other.
I could have probably pulled a Smegs and told them that Diana came to me and told me not to worry about the document that had to be submitted....could have pleaded temporary insanity due to the headache if they'd yelled 
If you want something fun to watch during recovery, you might enjoy Bol Bachchan (word play on 'Bol Bachan' which means 'slick talk', and Bachchan, the surname of the lead actor whose father's famous dialogue they've referenced a few times included in the opening credits). The film stars Abhishek Bachchan, Asrani, Archana Puran Singh, Ajay Devgan, Asin etc, and is available on YouTube. Good luck! 
) is that she's just a skinwalker that imitates whichever human she wants to be that day.
