He and TB do seem to do a fair amount of low-key respectable lusting - after air stewardesses and things. This particular air stewardess kept sticking her arse in their faces. Fiona isn't very keen on the whole Diana thing, in fact Fiona isn't very keen on most things, full stop.
I have every sympathy with her. He keeps getting phone calls and going on about the GDP and she's left with three children and weetabix all over the floor.
And -
I should stop. Oh fgs read the book so we can discuss.