March 17, 2021 2:00 pm Marie Claire is supported by its audience. When you purchase through links on our site, we may earn commission on some of the items you choose to buy. Let our solid line up of PT's offer their top tips for making your new workout routine a habit. The NHS’ Couch to 5km app had over a million downloads in March last year. Many seem to be sweating their way through the UK lockdowns, partly because, in a year that’s pushed our mental health to its limits, exercise is a really good stress reliever. But, question: have you started to worry about that exercise motivation dwindling when things go back to normal?