If you made it through 2020 in one piece, we salute you.

Now, after the year from hell, there’s no reason to torture yourself with unrealistic New Year’s resolutions. Dropping 10 pounds — who’s gonna notice? Toning up for the beach — what’s a vacation?

Instead, the start of 2021 is a good time to go easy on yourself and make sane, actionable changes. It’s amazing what a few small fixes can do to improve your body, mind and life...