10 of Our Best Pieces of Workout Etiquette Advice of 2021

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Photo: Olena Yakobchuk (Shutterstock)

Lifehacker’s Senior Health Editor Beth Skwarecki offers a revolutionary approach to the ever-controversial gym selfie: Chill out about it. Not only does someone else’s selfie have nothing to do with you, but there are a lot of benefits to snapping a pic, such motivating yourself and others, or evaluating progress over time. Maybe you want to give it a try yourself in 2022.