Stick with ItLearn how to make real, lasting changes in your life. We all have bad habits whether it's a weakness for junk food, a smartphone addiction or a lack of exercise. But change is hard. Forty percent of dieters quit within a week. Eighty percent of New Years resolutions dont last beyond January. How can we kick bad habits and stick with it? According to psychologist and behaviour researcher Dr Sean Young, the answer is to stop trying to change the person,