While I saw this in my head, I found out that "roommate" had two "m"s . Incredible that at 80 on 1/5/2018 I am still learning and writing. Where did all those years go.
This minimal when the four words become three reads both "certain" and "once certain" which is the state of affairs today, early 2018. Let's hope it will resolve itself and become stronger that the doubt we are experiencing.