Here is the latest instalment of Divorce Diaries , a series exploring the stories behind how marriages end and what happens next. Rarotonga or Fiji: that was the biggest thing Casey had on her mind last June. She was six months pregnant, and she and her husband were keen to have a babymoon – a last little holiday together as a twosome, and, a chance to get away from the depths of winter.

They booked for the last two weeks of the month, right before school holidays hit – there was surely going to be a lot of planning holidays around those in the not too distant future – but not before Casey had gone back and forth numerous times on the destination and planned every detail meticulously. "I spent all this time researching resorts and the healthcare systems of both," says Casey. "Just in case something did happen! I asked my midwife a million questions about it.

She must have been so annoyed by me and all my holiday questions." Eventually Casey chose Fiji – a resort on the coral coast ("I didn't want to be too far from the hospital or airport!") that had great ratings and reviews, and had been recommended by friends. She planned for every possible situation she may find herself in, and packed a week in advance, with her bulging bag full of different snacks and medications, just in case.

But of all the possibilities she armed herself for on the babymoon, there was one she had not planned for: her husband not being there. Out of the blue, two days before they were due to fl.