https://www.womenshealthmag.com/life/g19890697/how-to-cheer-yourself-up/
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Smile more (on your own terms)
Okay, yes, it’s super-annoying when a random stranger sees you mean-mugging on the street and tells you to smile.
But smiling at a stranger every once in a while (not the annoying person above—think: a cute grandma) is basically scientifically guaranteed to make you feel happier, says Christine Carter, Ph.D., author of The Sweet Spot: How to Find Your Groove at Home and Work and a senior
How my heart sings 