Catherine@whitequark·Oct 4, 2017TIL being able to open and hold your Eustachian tubes at will is considered unusual. I always could do that!en.wikipedia.orgEustachian tube - Wikipedia10617
'(·)@allgebrahReplying to @whitequarkI taught it myself because I found the feeling to be enjoyable and couldn't yawn in public all the time5:29 PM · Oct 4, 2017·Twitter Web Client