Turnabout is fair play
You had your turn; now it's only fair that I should have mine. (Compare Every dog has his day.)
Idioms and Phrases with turnabout is fair play
turnabout is fair play
Taking alternate or successive turns at doing something is just and equitable. For example, Come on, I want to sit in the front seat now—turnabout is fair play. This justification for taking turns was first recorded in 1755.