Farshad
Why do people yawn when they see someone else yawn? It is really amazing.Maybe you see most of people start to yawn when see someone next to them yawns.what is the reason?Do you think it is normal habit ,althought most people do this frequently in different situation?
Oct 7, 2016 11:43 AM
Comments · 3
4
Hmmm.. Not only that, as soon as I read the word "yawn", I have to yawn.  !
October 7, 2016
4
Scientifically proven to be infectious. 
October 7, 2016
2
<a href="https://www.italki.com/user/1584156" class="">jimi</a>, you know what you've done posting this discussion? You made all the Italki community yawn!
October 7, 2016