People tend to compartmentalize "exercise" as the thing they do at the gym or a couple times a week; instead of the activity they're doing all day, every day.

People tend to compartmentalize "exercise" as the thing they do at the gym or a couple times a week; instead of the activity they're doing all day, every day. You are always exercising to a certain degree, every second of every day. From sleeping to full exertion--you're always somewhere along that spectrum of physical activity.