MOST of us have a weight that we’re happy with. Mine has always been 9 stone 2lbs, but in May this year my weight increased to 10 stone. I was running less and spending a lot of time working. I had a novel to write for my master’s degree in writing. I was working full time and commuting a long way. As a result, not only was I running less, but I also got into some bad habits with my…