This is the same for me, I'm my own worst enemy as unless it's exercise I enjoy like playing football, my brain's constantly telling me 'that'll do,...
I usually damage my toenails playing football because I'm an uncoordinated, gangly creature and running can definitely worsen those injuries, though...
I think it’s just the way our brains are wired differently as humans. Two of my best mates were appalled at the idea of running and suggested a load...