Excited by the possibilities that a new year brings, many of us make resolutions and set New Year goals. However, evidence suggests that only 20% of people keep those resolutions and just 8% of people achieve their goals. Strava, the people behind the fitness app, have analysed huge amounts of data to predict that ‘Quitters’ Day’ this year will be Sunday 19th January. Why is it so difficult to stick to our intentions?