Exercise motivation can be hard to find at the best of times, but there’s something especially difficult about getting to the gym or heading out for a jog towards the end of the year. Your new year goals have been forgotten, spring’s a long way off and we’re enveloped in darkness whenever we’re not working. But, as writer Advaita Raut has been finding out first-hand, it’s more than possible to pick up – and stick with – a fitness regime if you consider ‘temptation bundling’. Here, she explores the benefits of the simple psychological tool guaranteed to change the way you think about working out.