Sitting on the bedroom floor, I slotted the train tracks together.
My son Teddy, then three, was obsessed with trains – playing with his little Brio train set was his favourite hobby.
‘Wow! Look at this tank engine!’ I exclaimed, driving a train down the tracks.
‘No Mummy, that’s a tender engine,’ Teddy corrected me.
I laughed – watching his passion grow was so heartwarming and as parents, my husband Alastair, 34, and I only encouraged it.
Taking our local line train into town and visiting Brighton so Teddy could ride Volk’s Electric Railway on the seafront, I loved seeing him wave at the passing carriages.
But when he was struck down by a bout of infections in June 2022, putting our train trips on hold, I didn’t think anything of