“Have you made that doctor’s appointment about the lump on your back yet?” your spouse asks. You sheepishly mumble that you have not. Walking past a packed wardrobe – a daily reminder of a decluttering project put off for months – you settle onto the sofa to finish binge-watching that new Netflix series. Sound familiar? Procrastination is no big deal; everyone puts off tasks they don’t want to do, right? Wrong, according to Fuschia Sirois, a professor of social and health psychology at Durham...