(idiomatic) The roles of people in a situation have been reversed, such that the advantage has shifted to a party which was previously disadvantaged.

(idiomatic) To ignore something wrong; to connive (at), to turn a blind eye.

Alternative form of the shoe is on the other foot

Alternative form of pull the other one, it's got bells on

To obey the golden rule: to treat others as one would wish to be treated.

(idiomatic) To habitually demonstrate interpersonal skills by engaging agreeably in social or work activities.

The last item on the agenda for a meeting, when any matter not already dealt with may be raised. Abbreviations: a.o.b., AOB.

Alternative form of one after another

Synonym of other fish in the sea

(idiomatic, figuratively) Other goals or objectives to pursue. / (idiomatic, figuratively) Other romantic partners or significant others to pursue.