Smiling, even if you're not in a particularly joyful mood, can trick your brain into thinking you're happy and actually improve your mood.
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If you didn't know till now, now you do.
(I use it sometimes...)
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RandomHey guys, this book will be written in English. It's about facts, that can be funny or serious but always true. At least if I can trust the source (Application „Facts"). Sometimes it's can be really interesting, that's why I thought I'd share them...
