Sometimes things take a 180-degree turn. Up becomes down. White is now black. Thor turns out to be Loki. Your certainties end up being replaced by what you thought was heresy.
Welcome to the Maurizio Sarri experience at Chelsea, which officially came to an end on Sunday. It's hard to tell what would have seemed more absurd this time a year ago: that Sarri would leave Chelsea to join Juventus, or that his biggest shortcoming at Stamford Bridge would be playing a style of football that pundits and fans did not enjoy.
The conventional wisdom when he was appointed was pretty clear.