Peeking round the door of my little boy’s room, I called, ‘Time for bed, you two!’ As usual, Isaac, three, and his sister, Sienna, seven, were snuggled up together watching a movie, which melted my heart. Isaac was desperate to be just like his big sister, while I called Sienna ‘mother hen’, because she always looked out for him. They were thick as thieves. It was December 2020, and we’d had a rough few years, but finally life was back on track. Their dad and I had split after Isaac was born, and recently, we’d moved in with my new partner, Dan. We lived in a lovely modern three-storey townhouse in St Neots, Cambridgeshire. Sienna’s room was at the top of the house, opposite Dan and me, while Isaac was…
