I am amazed he has taken Nutti with him. If he had any sense, he would have left her right where she was. He may be free of Fanny, but Natti will still be beside him every minute of his day, suffocating him. I think his long term plan will be to continue to work at the chateau but also to find work elsewhere. He will confine himself to projects that require skill. The prospect of making hundreds of radiator covers whilst having a pink phone in your face and listening to Fanny squawk and Snorts snort would drive anyone to distraction.
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For someone who said at the start that she never went outside and had no interest in gardening, she has changed her tune. Now she has money to spend, and is treated like a VIP in the gardens - actually getting into the "garden rooms" themselves, it makes a great a day out for sure.