I reckon your missus will be looking for flexibility in the schedule Brother greatcoastal .
For example, if there is something like a graduation (where she can bath in reflected glory) then that will be 'her turn". On the other hand, if the kid has gastro and is projectile vomiting and shitting like a thrashing machine, then that will be "your turn".
Kids car blew up ? - "Your turn". Kid is to be recognised in some sphere of excellence ? - "Her turn".
Kids team makes a soccer final will herald "her turn". Getting the kid to practice through the mud and slush for the season ? - "your turn".
In fact, any scenario where there is some sort of kudos for the kid = "her turn". Where there is some hard grift involved parentally = "your turn".
Ran into that this morning in our parent teacher conference.
Bring the kid in early for tutoring? -"Your turn". Type a few words on line about our kids school needs, while in front of the computer all day at work? Take credit for getting all this "help" for our daughter? -"Her turn"