The problem can be solved once and for all, if you do that.

Hence it should be noted that, in conquering a state, its conqueror should weigh all the injurious things he must do and commit them all at once, so as not to have to repeat them every day.

Sooner or later, we must realize there is no station, no one place to arrive at once and for all. The true joy of life is the trip.

Have a Proactive Plan B discussion with him this week and see if he was any ideas about how you guys could solve that problem before it comes up again - once and for all?

Why don ' t you negotiate directly with him and solve this issue once and for all?