Settled on the sofa, scrolling through my phone, I opened the Instagram app. I loved to look through others’ posts, admiring snaps of nature and posts teaching about mindfulness. I shared pictures of my hikes and family life too, as a single mum to daughter Rosie, then two. Over the years I’d managed to build up quite a following of over 6,000. When I logged in that day in March 2021 and saw a message from an old university friend, I was really pleased to hear from her. Jess Cairnes, then 35, and I hadn’t seen each other in years. At university, in between studying, we’d worked at the same place and often had a drink together
