A journey through nine years of health and activity data

A quick note before I start. All the data here is my own from nine years of tracking through Exist.io. I used an AI assistant to do the number crunching, build the charts and help draft the write-up. I have gone through the figures and edited the words myself. Owning my own data matters to me, and being honest about the tools I lean on feels like part of the same deal. I track a fair bit about myself. Steps, sleep, mood and weight all flow into Exist.io from various apps and hardware I use on a daily basis. Most of the time I just glance at the numbers and move on. Exist emails me a summary every January. I finally sat down and analysed all of the data properly. I've been a big guy for as long as I can remember. I slimmed down a bit in 2017/18 but it never stuck. I tried again a few years later but the saxophones just got louder and louder. It turns out I really like eating: the taste, the ceremony, everything about food excites me. I was brought up in a household that appreciated…