I think Xander did not serve the divorce papers because it emerged Tyler was already married in the US and therefore had committed bigamy, so the marriage to Xander was null and void.
I binged watched and despite the flaws loved it. Nice escapism. I can't cope that she'd sell the house in 18 months, surely just buy him out!
I felt like Nathan was a reluctant participant in his new life, just being carried along. I think Kate is 40 and this is probably her only chance for a baby, I think he will always be looking back.
I have always been wanting her to get together with Christie and vicariously loved the affair but it irked me this series that he would think for a second she could just move to New York. Delusional and shows he does not respect or perhaps understand life with children. I was also hoping for a knock at the door at the end for her though.
I don't want it to be the last series!
Also that petrol blue silk shirt in Series 5, it made her eyes look amazing, ahh silk shirts, the new Gillian Anderson in The Fall.