School admins be like: "It's September: setting the tone is crucial and it would be better not to take any days off this month." "It's October, there are so many deadlines! Please avoid taking time off this month." "It's November: parent meetings, last deadlines, first school trips... We are short-staffed. We need you at school" "It's December already! From now on it's a rush till Christmas! Please hold off on taking leave, you'll have the winter holidays to rest." To be continued...