as you do used to suggest that something is done habitually or in the normal course of events (or, ironically, to suggest that it is abnormal).

2014Independent Greer longed someday to own a small part of arid desert land so she could set it free, turn feral again. That never happened. Then, in 2001, the middle-aged feminist went through an epiphany. As you do. It wasn't a toy boy or sudden urge to take off to the Andes. Her life was taken over by a forest, sixty hectares of rock, trees and scrub.