I agree about Pete's words - he speaks a lot of sense, is very trusting and compassionate.
Nikki is intensely unpleasant but HILARIOUS to watch. That Toilet Paper comment had me nearly knocking my heavily pregnant wife off the sofa.
I have to admit, i'd rather use toilet paper too! 
More absorbant and easy to hold!
In actual fact I think it best if Sam goes this week - the house is NOT a great environment for her. The problem is though that it would just embolden Nikki's ego - and we don't want that - it may burst out of the studio set...