Satan and Suns

I have 2 links that describes the effects of this 2 actions. Your body does not distinguish between real or fake smile and laughter.

https://www.usa.edu/blog/how-laughter-c ... ve-stress/

https://www.verywellmind.com/top-reason ... ay-2223755

i see diferent experiment result: https://news.psu.edu/story/566408/2019/ ... after-work

Thanks for the link though. Food for thought.