were taken breath then exhale slowly for an average of 6 seconds it could be due to fatigue. boredom. may be a way of dealing with painful emotions or equalizing pressure in the inner ear theories abound but it's still not clear why we yawn. nor why other animals your appeasement of threatening gesture there are lots of reasons and do animals well most mammals many of them can be seen doing it except giraffes whether in the wild or in zoos no one has ever seen your supposedly or have you please write and tell us. not only mammals. other vertebrates. reptiles do too that's been definitively proven. and so has the fact that your