Will Self: ‘I’m fitter than I’ve ever been’

The novelist, 56, on the health benefits of eating less and walking moreWhen I was a child and my parents separated, I went on walking holidays with my dad. My rubric’s always been to walk from home – I’m not a rambler. It’s about a sense of being and place and engagement with the environment around me.I like wild swimming, particularly in the sea – I swim out, then float and look at the horizon. I think that’s extremely good for the imagination. I still cycle