Hearing other people laugh together, even for just one second,…
https://www.college.ucla.edu/wp-content/uploads/2016/04/Womenlaughing_mid.jpg426640UCLA Collegehttps://www.college.ucla.edu/wp-content/uploads/2019/07/Uxd_Blk_College-e1557344896161.pngUCLA College2016-04-12 10:03:052016-04-12 10:03:05Are they friends or not? Just a second of laughter can reveal relationship status, UCLA study finds