I made sure the app showed I was always in negative calories Everyone has times in their life when things feel a bit overwhelming. Back in November 2012, when I was 13, my grandad Derek, 70, passed away.
Me and my mum Alison had lived with him and my nan Margerie, 74, since my parents had split when I was a toddler.
Grandad and I had always been close. With him gone, I struggled to cope.
I was being bullied at school, too, and felt as if I had no control over my life.
So I started going out running after school. My feet pounding the pavements around where we lived, I enjoyed the sense of freedom, the way it let me escape all my problems.
At first, it was…
