The luxury microwave meal was delicious, the house is warm, work’s going OK, but you’re just not feeling very happy. Some positive psychologists believe this is because many of us in rich, Western countries spend too much of our free time on passive activities, like bingeing on Netflix and browsing Twitter, rather than on active, psychologically demanding activities, like cooking, sports or playing music, that allow the opportunity to experience “flow” – that magic juncture where your abilities only just meet the demands of the challenge. A new paper in the Journal of Positive Psychology examines this dilemma. Do we realise that pursuing more active, challenging activities will make us happier in the long-run? If so, why then do we opt to spend so much more time lazing around engaged in activities that are pleasant in the moment, but unlikely to bring any lasting fulfilment?